How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Learn about the factors that influence group conformity.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Get a better understanding of water content by dehydrating carrots.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Using just an egg carton and some beans or pennies, you can play this game with your first grader and see real gains in core math skills.

The objective of this science fair project is to investigate salt water density.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This science fair project determines which type of physical activity most improves memory.

Your child can count out six pumpkins or six crayons, but what is a six all by itself? ThatÃs a much harder concept to grasp.

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

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Your first grader can create this cute heart puzzle with craft sticks and watercolor paints to challenge her friends!

Kids will love this more challenging version of tag where they'll have to run while "attached" to someone else.

Play tic-tac-toe and help your kid memorize multiplication facts!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Check out this dice game perfect for teaching your savvy kid the fundamentals of probability.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Test the placebo effect in different groups of people.