This science fair project idea compares biodiversity between drops of water.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this design challenge, your child will make a bottle rocket using typical household items.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea determines if the color of light affects the growth of plants.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Construct batteries that make electricity from fruits with this fun science fair project.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.