Cover hand in shortening to demonstrate how fat keeps animals warm in winter.

Experiment to show kids how fat on animals keeps them warm

"This is the grossest experiment I did while teaching about germs. Use three pieces of bread. You let all the kids see you put a piece of bread in a baggy with a glove on hence "controlled" then you wash your hands and put a piece of bread in a baggy for "clean" last, pass a piece of bread around and let every kid in class touch it then you put it in a baggy and label it dirty. Watch how the bread changes over time. A great way to teach the importance of hand washing."

Walking on Egg Shells and 25 other cool science projects (Egg Shells strength elaborately discussed here

What a great science experiment for children, to show them how different ants are from other creatures.

Teaching how blubber keeps polar animals warm.

gummy bear experiment

Cool science experiment for kids! Dissolve egg shell off with vinegar and it will become a "naked egg" that can bounce... how fun!

Weather: Fill the cup with water. Put shaving cream on top for a cloud. Explain that when clouds get really heavy with water, it rains! Then put blue food coloring on top of the cloud, and watch it rain. Kids love experiments!

Instant snow science experiment....

Candy Heart Experiments - what will happen when you put them in different liquids?

Make your own bouncy balls & other science experiments

butterfly life cycle

12 STEM Ideas for Kids Age 5+ from After School Link Up #stemactivities

Make this awesome color changing slime that changes color with temperature! Thermochromic slime makes STEM learning fun.

An awesome experiment for kids! Marinate gummy worms in a mixture of water and baking soda and then bring them to life in a glass of vinegar. See it in action!

Free printable animal tracks cards. Kids will love trying to match the tracks with the animal that made them, playing memory, or going on an animal tracks hunt!

Filth Wizardry: This site is FULL of materials you can make by recycling materials! Fantastic!

Blubber experiment