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2 - 4 Years STEM

Move & Learn: DIY STEM Forts!

Even when you're learning at home, you still need recess! That's why we're coming up with lots of activities that get kids moving and learning at the same time. Today's activity adds some extra STEM fun to the classic art of fort-building.

Gather Materials

Everyone's house is filled with different stuff, so everyone's STEM Forts will look a little different. As you gather your fort-building materials, ask your kids what they think each item might be used for in the building process. Your final item lists may vary, but we recommend some or all of the following: couch cushions and pillows, bed sheets, twine or laundry line, small furniture items (chairs, coffee tables, ottomans), poles (yardsticks, mops, brooms).
 

Get Creative

Once you have your materials, it's time to start daydreaming about what kinds of forts you're going to build. This is a great opportunity to encourage your kids to stretch their imaginations. Ask them about their vision for the fort; are they building a moon base, or a castle, or a superhero hideout? What kinds of pretend features or creatures might the fort contain?

Build STEM Skills

Building any kind of fort helps your kids strengthen their early engineering and design skills, but you can add even more learning to the fort-building with the following challenges: 
Shape Forts: Can you build a fort in the shape of a square, or a rectangle, or a triangle? What about a circle? How does the process change for each shape?Tallest/Longest Fort: How high can you make your fort before it topples over? How long can it get before the walls start to sag? What reinforcements can you make to keep your fort standing?
Multi-Room Forts: If you've mastered the single-room fort, can you design a fort with a second or third room? What will you use for the passages?
Simplest Fort: Who can build a fort with the smallest amount of materials? How does the process get harder or easier with fewer pieces?
Fort Race: Have builders take turns selecting from materials they want to build with. Once all the materials are selected, have a race to see who can build their fort the fastest. Our Digital Timer  is the perfect tool to help keep track of race times! 
 
At Learning Resources, we’re here to help you make the best of this challenging time. Stay safe and healthy, and check back with our blog for more tips and learning ideas as the situation unfolds.
Move & Learn: DIY STEM Forts!
Even when you're learning at home, you still need recess! That's why we're coming up with lots of activities that get kids moving and learning at the same time. Today's activity adds some extra STEM fun to the classic art of fort-building.

Gather Materials

Everyone's house is filled with different stuff, so everyone's STEM Forts will look a little different. As you gather your fort-building materials, ask your kids what they think each item might be used for in the building process. Your final item lists may vary, but we recommend some or all of the following: couch cushions and pillows, bed sheets, twine or laundry line, small furniture items (chairs, coffee tables, ottomans), poles (yardsticks, mops, brooms).
 

Get Creative

Once you have your materials, it's time to start daydreaming about what kinds of forts you're going to build. This is a great opportunity to encourage your kids to stretch their imaginations. Ask them about their vision for the fort; are they building a moon base, or a castle, or a superhero hideout? What kinds of pretend features or creatures might the fort contain?

Build STEM Skills

Building any kind of fort helps your kids strengthen their early engineering and design skills, but you can add even more learning to the fort-building with the following challenges: 
Shape Forts: Can you build a fort in the shape of a square, or a rectangle, or a triangle? What about a circle? How does the process change for each shape?Tallest/Longest Fort: How high can you make your fort before it topples over? How long can it get before the walls start to sag? What reinforcements can you make to keep your fort standing?
Multi-Room Forts: If you've mastered the single-room fort, can you design a fort with a second or third room? What will you use for the passages?
Simplest Fort: Who can build a fort with the smallest amount of materials? How does the process get harder or easier with fewer pieces?
Fort Race: Have builders take turns selecting from materials they want to build with. Once all the materials are selected, have a race to see who can build their fort the fastest. Our Digital Timer  is the perfect tool to help keep track of race times! 
 
At Learning Resources, we’re here to help you make the best of this challenging time. Stay safe and healthy, and check back with our blog for more tips and learning ideas as the situation unfolds.
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Toys for Talking- Peekaboo Learning Farm

The Learning Resources Peekaboo Learning Farm is my daughter's new favorite toy, and I can't say that I'm surprised!  It makes learning so much fun, and there are a multitude of ways to play with it.  Her favorites include making me sing Old McDonald while she opens up each barn and matching the animal finger puppets to the pictures in one of her farm themed books (Click here for our favorite!).  Like I said...so many opportunities. 

What does the Peekaboo Learning Farm include?

  • 5 colorful barns
  • 5 adorable finger puppet farm animals (cow, horse, pig, chicken & mouse)

How do you use the Peekaboo Learning Farm?

The Peekaboo Learning Farm includes numbered, colorful barns that can be used to work on color identification, counting, matching, sorting, and more.  Children are able to develop their fine motor skills by opening the colorful barns to find a farm animal finger puppet inside. The Peekaboo Learning Farm even encourages children to engage in imaginative play.

Where can I find it?

You can find it at Learning Resources HERE or at Amazon HERE. 

How can you use the Peekaboo Learning Farm to encourage speech and language development?

For receptive language development?

  1. Following directions:  Make following directions fun with the Peekaboo Learning Farm.  Have your child follow directions, such as, "give me the chicken," "open the blue barn," or even  "take out the mouse and make him eat."
  2. Answering Yes/No questions:  Before having the ability to answer Wh- questions, your child must be able to answer yes/no questions regarding things they want, objects, and actions.  If your child is working on the concepts of yes and no, ask your child, "do you want the blue barn?" You could also make it a little silly to see if your child can answer yes/no questions regarding the function of the Peekaboo Learning Farm (Examples: should I eat the barn?  should I kiss the cow? should I open the barn?). Want another fun idea? Pair this toy with a farm themed book. Look at the animals on the pages of the book, and ask your child if they match the animals in the barns (i.e., "Is this a pig?").
  3. Answering Wh- questions: Work on who, what, where & why questions while playing.  Build comprehension by asking your child questions like "what is the mouse doing?," "who is in the red barn?," "where is the pig?," "why is the pig sleeping?" etc.
  4. Understanding spatial concepts (in/on/off/out):  Work on these early developing spatial concepts by having your child take the roof off the barn, putting the roof on the barn, taking the animals out of the barn, or putting the animal back in the barn.
  5. Building memory skills: Play a memory game!  Hide the animals in the different color barns, and see if your child can remember which animal is in which barn.  Then have your child hide them for you to guess!  

For expressive language development?

  1. Practice animal sounds:  Learning animal sounds is fun, plus animal sounds are often comprised of early developing sounds, making them easier for children to say!  Encourage your child to imitate you saying each animal sound. You can even try singing Old McDonald while opening up each barn. Be sure to pause at the end of the song, and wait for your child to fill in the blank (Example: here a moo, there a moo, everywhere a....)!
  2. Farm animal vocabulary:  Talk about the different farm animals in each barn, and see if your child can label them.  
  3. Requesting: Have your child request for the barns, animals or to open each barn.  Depending on how much expressive language they have, they could use a simple word such as, "open" or "more," or a phrase or sentence like, "I want open" or "Can I have the purple barn?"
  4. Commenting:  Encourage your child to comment throughout play.  Model appropriate comments while playing with your child.  Use language like, "I see a blue barn, what do you see?"
  5. Use of prepositional phrases: Place the animals in different locations and have your child use phrases to describe their locations.  Put them in the barn, out of the barn, on the roof, or behind the barn.
  6. Vocabulary of action words: Pretend that the animals are doing different things and ask your child what each animal is doing.  Depending on your child's vocabulary, you can focus on simple verbs like eat, sleep, and drink, or be more creative and use of verbs like swing, hop and slide.

For play development?

  1. Pretend play:  These barns provide so many pretend play opportunities.  Children can use their imaginations to pretend that the animals are eating, sleeping, playing, or even having a birthday party!  The possibilities are endless!

For social language development?

  1. Turn taking: Develop turn taking abilities by asking your child if you can have a turn opening the barns.   
  2. Asking questions:  Model appropriate questioning during play by asking your child questions like, "What barn do you think the cow is in?" or "What is your favorite color barn?"  Encourage them to ask you questions back!
Toys for Talking- Peekaboo Learning Farm The Learning Resources Peekaboo Learning Farm is my daughter's new favorite toy, and I can't say that I'm surprised!  It makes learning so much fun, and there are a multitude of ways to play with it.  Her favorites include making me sing Old McDonald while she opens up each barn and matching the animal finger puppets to the pictures in one of her farm themed books (Click here for our favorite!).  Like I said...so many opportunities. 

What does the Peekaboo Learning Farm include?

  • 5 colorful barns
  • 5 adorable finger puppet farm animals (cow, horse, pig, chicken & mouse)

How do you use the Peekaboo Learning Farm?

The Peekaboo Learning Farm includes numbered, colorful barns that can be used to work on color identification, counting, matching, sorting, and more.  Children are able to develop their fine motor skills by opening the colorful barns to find a farm animal finger puppet inside. The Peekaboo Learning Farm even encourages children to engage in imaginative play.

Where can I find it?

You can find it at Learning Resources HERE or at Amazon HERE. 

How can you use the Peekaboo Learning Farm to encourage speech and language development?

For receptive language development?

  1. Following directions:  Make following directions fun with the Peekaboo Learning Farm.  Have your child follow directions, such as, "give me the chicken," "open the blue barn," or even  "take out the mouse and make him eat."
  2. Answering Yes/No questions:  Before having the ability to answer Wh- questions, your child must be able to answer yes/no questions regarding things they want, objects, and actions.  If your child is working on the concepts of yes and no, ask your child, "do you want the blue barn?" You could also make it a little silly to see if your child can answer yes/no questions regarding the function of the Peekaboo Learning Farm (Examples: should I eat the barn?  should I kiss the cow? should I open the barn?). Want another fun idea? Pair this toy with a farm themed book. Look at the animals on the pages of the book, and ask your child if they match the animals in the barns (i.e., "Is this a pig?").
  3. Answering Wh- questions: Work on who, what, where & why questions while playing.  Build comprehension by asking your child questions like "what is the mouse doing?," "who is in the red barn?," "where is the pig?," "why is the pig sleeping?" etc.
  4. Understanding spatial concepts (in/on/off/out):  Work on these early developing spatial concepts by having your child take the roof off the barn, putting the roof on the barn, taking the animals out of the barn, or putting the animal back in the barn.
  5. Building memory skills: Play a memory game!  Hide the animals in the different color barns, and see if your child can remember which animal is in which barn.  Then have your child hide them for you to guess!  

For expressive language development?

  1. Practice animal sounds:  Learning animal sounds is fun, plus animal sounds are often comprised of early developing sounds, making them easier for children to say!  Encourage your child to imitate you saying each animal sound. You can even try singing Old McDonald while opening up each barn. Be sure to pause at the end of the song, and wait for your child to fill in the blank (Example: here a moo, there a moo, everywhere a....)!
  2. Farm animal vocabulary:  Talk about the different farm animals in each barn, and see if your child can label them.  
  3. Requesting: Have your child request for the barns, animals or to open each barn.  Depending on how much expressive language they have, they could use a simple word such as, "open" or "more," or a phrase or sentence like, "I want open" or "Can I have the purple barn?"
  4. Commenting:  Encourage your child to comment throughout play.  Model appropriate comments while playing with your child.  Use language like, "I see a blue barn, what do you see?"
  5. Use of prepositional phrases: Place the animals in different locations and have your child use phrases to describe their locations.  Put them in the barn, out of the barn, on the roof, or behind the barn.
  6. Vocabulary of action words: Pretend that the animals are doing different things and ask your child what each animal is doing.  Depending on your child's vocabulary, you can focus on simple verbs like eat, sleep, and drink, or be more creative and use of verbs like swing, hop and slide.

For play development?

  1. Pretend play:  These barns provide so many pretend play opportunities.  Children can use their imaginations to pretend that the animals are eating, sleeping, playing, or even having a birthday party!  The possibilities are endless!

For social language development?

  1. Turn taking: Develop turn taking abilities by asking your child if you can have a turn opening the barns.   
  2. Asking questions:  Model appropriate questioning during play by asking your child questions like, "What barn do you think the cow is in?" or "What is your favorite color barn?"  Encourage them to ask you questions back!
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Toys for Talking - At Home with Spike the Fine Motor Hedgehog!

Learning Resource's Spike the Fine Motor Hedgehog isn't just adorable, it's another great toy for facilitating both fine motor and speech and language development.  With this toy, children are encouraged to build counting, sorting and color identification skills. Another plus...this simple toy is quick to pick up, as the quills can be stowed away within the hedgehog's body and it can be easily wiped clean. 

What does Spike the Fine Motor Hedgehog include?

  • 2 piece hedgehog
  • 12 peg shaped quills

How do you use Spike the Fine Motor Hedgehog?

Spike the Fine Motor Hedgehog has lost his quills!  Children can take turns putting the hedgehog's peg shaped quills into his back and then pulling them right back out.  In addition to all of the speech and language skills listed below, this toy can help children build:
  • Fine motor skills
  • Counting skills: Have your child practice counting each quills or placing them in numerical order.  There are numbers on each quill!
  • Sorting skills: Practice sorting the quills by color or make it even more complex by having your child sort them into warm vs. cool color categories

Where can I find Spike the Fine Motor Hedgehog?

You can find it on Amazon HERE. 

How can you use Spike the Fine Motor Hedgehog to encourage speech and language development?

For receptive language development:

  1. Following directions:  Build your child's ability to follow directions by telling them which quill to put in or take out (Examples: "put the red quill in!" or "take the purple quill out!").
  2. Understanding spatial concepts (in/on/off/out):  Work on these early developing spatial concepts by having your child take the quills out of the hedgehog, put the quills on the hedgehogs back and in the hedgehog's body.  You could have even more fun by pretending the hedgehog lost all of his quills and hide them around the house!  Have your child look for the quills and talk about where they found them (Examples: under the couch, in the sink, behind the bookshelf).
  3. Understanding quantitative concepts (all/none, more/less, most/least, one/all): Count the quills with your child and take turns placing the quills in the hedgehog's back with your child.  Talk about whether you or the hedgehog have most of the quills (or who has the least amount of quills.)
@my_sensorium

For expressive language development:

  1. Labeling colors:  This hedgehog's colorful quills are a perfect way to help your child learn their colors!  Label each color while your child is playing with the different colored quills. Bring in other toys that are the same colors as the quills and sort them so your child can generalize the color names to other items!  (*Side note-Children begin to recognize colors at around 18 months and continue to develop this skill through 2 years of age.  By three years of age, your child should be able to label at least one color).
  2. Requesting: Hold the quills so that your child must request in order to get one.  Whether they have a little bit of language or a lot of language, you can work on requesting in the following ways:
  • If your child's not yet talking: Ask your child "who want's it?" and have your child gesture place their hand on their chest to gesture for "Me!"  If they don't gesture independently, take their hand to help them perform the gesture and say "me." Children learn best through our models!
  • If your child only has a little bit of language: Encourage your child to use one word to request.  Have them use words like "me," "more" or even "quill" to ask you for each quill.
  • If your child has some phrases: Support your child's use of phrases to request by working on "I want" phrases.  First, model these phrases for your child by asking your child for the quills by saying, "I want quill" or "I want red."  Then encourage your child to do the same!
  • If your child is perfecting their language: Work on grammatically correct questions with your child.  Have your child ask for each quill by saying, "can I have a quill?" or "may I have the red quill?"

For play development:

  1. Functional use of objects:  Your child can practice demonstrating the functional use of objects, by putting the quills in and then taking them out.
  2. Pretend play:  Inspire your child to be creative in their play.  Pretend that the hedgehog has lost all of his quills in a forest.  Imagine that the hedgehog has found his way to a farm and needs the farm animals to help him get them back.  Don't be afraid to get silly!  

For social language development:

  1. Turn taking: Take turns putting the quills in Spike the Fine Motor Hedgehog with your child.  Pause before it's your turn, and see if your child will tell you that it's your turn to put a quill in!
  2. Joint attention: Build joint attention while holding up the quills, putting the quills in or taking them out.  See if your child will look at you, look at the quill, and then back at you. This joint attention, or shared interest, is an important early milestone of language development.
  3. Asking questions:  Model appropriate questioning during play by asking your child questions like, "What color do you like?" or "Where do you think we should look for the quills?"  Encourage them to ask you questions back!
Toys for Talking - At Home with Spike the Fine Motor Hedgehog! Learning Resource's Spike the Fine Motor Hedgehog isn't just adorable, it's another great toy for facilitating both fine motor and speech and language development.  With this toy, children are encouraged to build counting, sorting and color identification skills. Another plus...this simple toy is quick to pick up, as the quills can be stowed away within the hedgehog's body and it can be easily wiped clean. 

What does Spike the Fine Motor Hedgehog include?

  • 2 piece hedgehog
  • 12 peg shaped quills

How do you use Spike the Fine Motor Hedgehog?

Spike the Fine Motor Hedgehog has lost his quills!  Children can take turns putting the hedgehog's peg shaped quills into his back and then pulling them right back out.  In addition to all of the speech and language skills listed below, this toy can help children build:
  • Fine motor skills
  • Counting skills: Have your child practice counting each quills or placing them in numerical order.  There are numbers on each quill!
  • Sorting skills: Practice sorting the quills by color or make it even more complex by having your child sort them into warm vs. cool color categories

Where can I find Spike the Fine Motor Hedgehog?

You can find it on Amazon HERE. 

How can you use Spike the Fine Motor Hedgehog to encourage speech and language development?

For receptive language development:

  1. Following directions:  Build your child's ability to follow directions by telling them which quill to put in or take out (Examples: "put the red quill in!" or "take the purple quill out!").
  2. Understanding spatial concepts (in/on/off/out):  Work on these early developing spatial concepts by having your child take the quills out of the hedgehog, put the quills on the hedgehogs back and in the hedgehog's body.  You could have even more fun by pretending the hedgehog lost all of his quills and hide them around the house!  Have your child look for the quills and talk about where they found them (Examples: under the couch, in the sink, behind the bookshelf).
  3. Understanding quantitative concepts (all/none, more/less, most/least, one/all): Count the quills with your child and take turns placing the quills in the hedgehog's back with your child.  Talk about whether you or the hedgehog have most of the quills (or who has the least amount of quills.)
@my_sensorium

For expressive language development:

  1. Labeling colors:  This hedgehog's colorful quills are a perfect way to help your child learn their colors!  Label each color while your child is playing with the different colored quills. Bring in other toys that are the same colors as the quills and sort them so your child can generalize the color names to other items!  (*Side note-Children begin to recognize colors at around 18 months and continue to develop this skill through 2 years of age.  By three years of age, your child should be able to label at least one color).
  2. Requesting: Hold the quills so that your child must request in order to get one.  Whether they have a little bit of language or a lot of language, you can work on requesting in the following ways:
  • If your child's not yet talking: Ask your child "who want's it?" and have your child gesture place their hand on their chest to gesture for "Me!"  If they don't gesture independently, take their hand to help them perform the gesture and say "me." Children learn best through our models!
  • If your child only has a little bit of language: Encourage your child to use one word to request.  Have them use words like "me," "more" or even "quill" to ask you for each quill.
  • If your child has some phrases: Support your child's use of phrases to request by working on "I want" phrases.  First, model these phrases for your child by asking your child for the quills by saying, "I want quill" or "I want red."  Then encourage your child to do the same!
  • If your child is perfecting their language: Work on grammatically correct questions with your child.  Have your child ask for each quill by saying, "can I have a quill?" or "may I have the red quill?"

For play development:

  1. Functional use of objects:  Your child can practice demonstrating the functional use of objects, by putting the quills in and then taking them out.
  2. Pretend play:  Inspire your child to be creative in their play.  Pretend that the hedgehog has lost all of his quills in a forest.  Imagine that the hedgehog has found his way to a farm and needs the farm animals to help him get them back.  Don't be afraid to get silly!  

For social language development:

  1. Turn taking: Take turns putting the quills in Spike the Fine Motor Hedgehog with your child.  Pause before it's your turn, and see if your child will tell you that it's your turn to put a quill in!
  2. Joint attention: Build joint attention while holding up the quills, putting the quills in or taking them out.  See if your child will look at you, look at the quill, and then back at you. This joint attention, or shared interest, is an important early milestone of language development.
  3. Asking questions:  Model appropriate questioning during play by asking your child questions like, "What color do you like?" or "Where do you think we should look for the quills?"  Encourage them to ask you questions back!
READ MORE

At Home Overnight Science Experiments

Each family in the United States has found themselves at home…for a while. All this time has afforded us precious hours to do things we might not otherwise do. At Learning Resources, our minds turn toward STEM, and all the long-term experiments we might have put on the back burner simply due to a of lack of time.  

Below are a few overnight experiments that take a while. But hey – time is on our side! 

The Naked Egg  

How can you make an egg stay fully intact without its shell? The answer is (to this and many things): science! 

You will need: 

  • Eggs 
  • Vinegar 
  • Cups 
  • Corn syrup (for later) 

All you have to do is drop the eggs in, one per cup, and pour in the vinegar. The egg should be completely covered with the liquid. It’s okay if the egg floats a bit.

A chicken egg shell is made up of calcium bicarbonate. The acid makeup of the vinegar begins to react with the calcium of the egg shell. After just a short while, you will see bubbles appearing on the outside of the egg. This is carbon dioxide gas as a result from that reaction.

But now comes the hardest part: the waiting. It can take 12-24 hours before a good portion of the shell is removed. More bubbles and froth will appear. 

After the day of soaking, carefully remove the egg from the vinegar. The egg was soft, but still had a white, powdery coating. You can scrape it off, but with the egg being so delicate, it might break. Be careful! 

We used a flashlight to find the yolk in the dark. The egg glowed something awesome, but the yolk was hard to pinpoint.  

So we poured some fresh vinegar in the cup, and soaked it for another 12 hours.  

The egg came out the next morning very rubbery and fragile. We slipped the naked egg into a cup filled with corn syrup and let that soak overnight. The results were amazing! Because the corn syrup has very little water content and the egg does, the water inside the egg begins to move across the membrane (“skin” layer) and starts to equalize. What’s left is a very baggy egg.

How to Make a Rainbow Bouquet 

While you are grabbing essentials at your local big box store, why not grab a bouquet of fresh flowers? Creating your own rainbow bouquet can be turned into a fragrant scientific experiment over the course of a few nights. A trick often used by florists, dyeing white roses or carnations with colored water is actually an example of capillary action, or the ability of a liquid to flow in narrow spaces against gravity. 

 

What you will need: 

  • White roses or carnations 
  • Scissors or knife (adults only!) 
  • Containers 
  • Food coloring and water 

Remove all the leaves from the stem of the flower. The experiment is to see how the colored water will travel to the white petals, so you don’t want water diverted to the leaves. 

 Once the roses are clean, have an adult snip or cut them with a knife at an angle, leaving about 6-7 inches (adults only!).  

Next, stir up the liquid your flowers will be drinking for the next few days. Decide on your colors and place about 10-15 drops of food coloring in each container. Add warm tap water until the containers are about halfway full. Stir well! 

Place your flowers in their containers. Here, two were placed in each container. 

THREE HOURS 

Recently snipped flowers can be pretty thirsty. This is what the stem and bud of the blue flower looked like after just three hours. 

12 HOURS 

The next morning, the tips of the flower petals (and most dry part of the flower) were beginning to show color. How deep will the color be with each passing day?

 

 

DAY TWO

At the two-day mark, the colors were distinguishable, and the roses were thriving.

DAY THREE 

By the third day, the flowers were just beginning to wilt, but the colors were the most vibrant, but still a pastel hue. 

These roses were colored by capillary action. The colored water was pulled through the stem and made its way up to the petals. Transpiration occurs when the colored water evaporates from the flower petals.  

Overnight Crystals 

 

Some crystals take several days to grow, but here’s a simple overnight recipe to get some great crystals grown right in your refrigerator.  

You will need: 

  • Epsom salt 
  • Food coloring 
  • Clear glass cup 

Epsom salt is another name for magnesium sulfate.  

In the clear glass, fill ½ cup really hot tap water, then stir in ½ cup of the Epsom salt. Stir for at least one minute. While some salt crystals will be not dissolved at the bottom of the glass, your stirring has created a saturated solution that’s ready to make crystals. 

Then add food coloring of your choice. Place the glass in the refrigerator and wait until the morning! 

 

Wow! By cooling this solution rapidly, it encouraged fast crystal growth due to the dense solution. Crystals grown this way will be thin and plentiful.

Happy Overnight Science! 

At Home Overnight Science Experiments

Each family in the United States has found themselves at home…for a while. All this time has afforded us precious hours to do things we might not otherwise do. At Learning Resources, our minds turn toward STEM, and all the long-term experiments we might have put on the back burner simply due to a of lack of time.  

Below are a few overnight experiments that take a while. But hey – time is on our side! 

The Naked Egg  

How can you make an egg stay fully intact without its shell? The answer is (to this and many things): science! 

You will need: 

  • Eggs 
  • Vinegar 
  • Cups 
  • Corn syrup (for later) 

All you have to do is drop the eggs in, one per cup, and pour in the vinegar. The egg should be completely covered with the liquid. It’s okay if the egg floats a bit.

A chicken egg shell is made up of calcium bicarbonate. The acid makeup of the vinegar begins to react with the calcium of the egg shell. After just a short while, you will see bubbles appearing on the outside of the egg. This is carbon dioxide gas as a result from that reaction.

But now comes the hardest part: the waiting. It can take 12-24 hours before a good portion of the shell is removed. More bubbles and froth will appear. 

After the day of soaking, carefully remove the egg from the vinegar. The egg was soft, but still had a white, powdery coating. You can scrape it off, but with the egg being so delicate, it might break. Be careful! 

We used a flashlight to find the yolk in the dark. The egg glowed something awesome, but the yolk was hard to pinpoint.  

So we poured some fresh vinegar in the cup, and soaked it for another 12 hours.  

The egg came out the next morning very rubbery and fragile. We slipped the naked egg into a cup filled with corn syrup and let that soak overnight. The results were amazing! Because the corn syrup has very little water content and the egg does, the water inside the egg begins to move across the membrane (“skin” layer) and starts to equalize. What’s left is a very baggy egg.

How to Make a Rainbow Bouquet 

While you are grabbing essentials at your local big box store, why not grab a bouquet of fresh flowers? Creating your own rainbow bouquet can be turned into a fragrant scientific experiment over the course of a few nights. A trick often used by florists, dyeing white roses or carnations with colored water is actually an example of capillary action, or the ability of a liquid to flow in narrow spaces against gravity. 

 

What you will need: 

  • White roses or carnations 
  • Scissors or knife (adults only!) 
  • Containers 
  • Food coloring and water 

Remove all the leaves from the stem of the flower. The experiment is to see how the colored water will travel to the white petals, so you don’t want water diverted to the leaves. 

 Once the roses are clean, have an adult snip or cut them with a knife at an angle, leaving about 6-7 inches (adults only!).  

Next, stir up the liquid your flowers will be drinking for the next few days. Decide on your colors and place about 10-15 drops of food coloring in each container. Add warm tap water until the containers are about halfway full. Stir well! 

Place your flowers in their containers. Here, two were placed in each container. 

THREE HOURS 

Recently snipped flowers can be pretty thirsty. This is what the stem and bud of the blue flower looked like after just three hours. 

12 HOURS 

The next morning, the tips of the flower petals (and most dry part of the flower) were beginning to show color. How deep will the color be with each passing day?

 

 

DAY TWO

At the two-day mark, the colors were distinguishable, and the roses were thriving.

DAY THREE 

By the third day, the flowers were just beginning to wilt, but the colors were the most vibrant, but still a pastel hue. 

These roses were colored by capillary action. The colored water was pulled through the stem and made its way up to the petals. Transpiration occurs when the colored water evaporates from the flower petals.  

Overnight Crystals 

 

Some crystals take several days to grow, but here’s a simple overnight recipe to get some great crystals grown right in your refrigerator.  

You will need: 

  • Epsom salt 
  • Food coloring 
  • Clear glass cup 

Epsom salt is another name for magnesium sulfate.  

In the clear glass, fill ½ cup really hot tap water, then stir in ½ cup of the Epsom salt. Stir for at least one minute. While some salt crystals will be not dissolved at the bottom of the glass, your stirring has created a saturated solution that’s ready to make crystals. 

Then add food coloring of your choice. Place the glass in the refrigerator and wait until the morning! 

 

Wow! By cooling this solution rapidly, it encouraged fast crystal growth due to the dense solution. Crystals grown this way will be thin and plentiful.

Happy Overnight Science! 

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