This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science fair project idea produces sounds by creating vibrations using different objects.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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