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 fair project teaches students about wilting and browning of salad greens.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

In this activity, your child will be challenged to make a tower using paper cups.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

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

This science fair project idea demonstrates that plants give off water.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair project, students use the streak test to tell minerals apart from each other.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

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.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.