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The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

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