Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Using a toy race car kids create a visual model of the Doppler Effect.

In this science fair project, students use the streak test to tell minerals apart from each other.

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?

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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.

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

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Word color association is just a fancy way to talk about the way we connect colors with words.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.