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Science fair project that explores the natural process of limestone formation.

This project examines which type of dance burns the most calories.

This project explores differences in people's reactions to images in color and images in black and white.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

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!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This experiment explores how listening in to a one-sided conversation affects concentration.

Examine the effect of pressure on carbonation in soda.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

This fascinating science fair project explores eye color genotypes.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Examine the connection between temperature and chemiluminescence.

This science fair project idea determines which method of hand cleansing is the most effective.