Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This fascinating science fair project explores eye color genotypes.

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

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

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!

Do you think heat can affect a plant's growth rate?

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

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

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

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

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

This project researches whether the type of land use affects the water quality of Queenstown Creek.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.