This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Learn whether writing things down really makes things easier to remember.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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.

This biodiversity project examines the biodiversity in your own backyard.