In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

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

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

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

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.

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.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.