The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea examines which type of insulation holds in the most heat.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Examine how a battery can be made from everyday materials.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

This science fair project idea determines the probability of a coin landing heads or tails.

This experiment evaluates if personality affects the type of movies that people prefer.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.