Easter Kitchen Science: Can you Dissolve an Eggshell?

This is an experiment that is both really cool and frankly creeps me out a little bit. It’s fun to do experiments with eggs around Easter but of course you can do this any time.

Go Science Kids has a great post and how to make an eggshell dissolve (you do have to wipe it away, it doesn’t disappear) and why this happens.

Kids will probably love to play with the “naked” egg (yes, it stays whole because the inner membrane of the egg stays intact) and you can even really gently bounce it from a low height.

Check out the post for all the details.

[Photo: Go Science Kids.]

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With little kids especially, linking learning to physical activity really does help them learn. Movement can help kids focus, and it just keeps them from sitting still all day, which isn’t good for anyone.

The good news is lots of different learning activities can be adopted to get kids moving while they learn, so let’s look at some math and number activities that use gross motor skills.

Probably the most obvious thing would be hopscotch, which helps kids count while they hop. You can also mix up the numbers, do skip counting with the numbers, give kids a simple math problem and have them hop to the correct answer, and on and on.

This number hop game from Gift of Curiosity is a more chaotic version, with number flash cards on the floor that kids can hop, skip or jump to as you call them out (this one is more for individual number identification than counting). It’s a great indoor option if it’s too hot, cold or rainy out to do traditional hopscotch, too.

This painter’s tape number line idea from Days with Grey doesn’t involve quite as much movement, but kids can move around while they place things on the number line and work on learning about one to one correspondence. In the blog post they use shoes, but you can count anything you’ve got handy. (Be warned when I visited this website had an ad that continually took up the whole page, but you can get the idea pretty quickly.)

One of the important tasks of learning numbers is learning a parent’s phone number just in case it’s ever needed, or how to dial 911 in case on an emergency. Teaching Mama has a great way to practice telephone numbers and get some movement in with a giant telephone keypad made out of paper plates. You can also use this for counting practice, but it’s a great idea for learning phone numbers, too.

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