In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This science fair project idea produces sounds by creating vibrations using different objects.

Give your budding young observers a chance to discover simple machines at use in their own home.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This science fair project idea produces varying pitches of sound.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This surprisingly good glue recipe comes from common kitchen items.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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