In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Explore the relationship between personality traits and birth order effects.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This science experiment tests if dog saliva can really help heal wounds.

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

In this activity your child will create their very own marble maze!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

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

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

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.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.