How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

An home science experiment for older students that teaches about the science behind heat.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project teaches students to classify different shapes of leaves.

This science fair project teaches students the differences between fruits and vegetables.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This science fair project idea investigates how color affects temperature.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea explores the egg's thin membrane.