Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This activity is a fun challenge for students who have just started learning to program educational robots.

This science fair project idea explores the different properties & interactions of sugar molecules.

In this project students experiment with making music using only glasses of water.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project examines whether people's taste perception is influenced by what they see.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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