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

Help your child celebrate the summer and the sun by making a sandy seascape.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this design challenge, your child will make a bottle rocket using typical household items.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.