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Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

This science fair project idea studies the differences in gender perception between people.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This science fair project idea investigates the difference in reaction times between boys and girls.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Think about the adaptive utility of an important aspect of our physiology.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.