Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.