3rd and 4th Grade Physical Science Activities : Page 4

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.