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How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

This science fair project idea experiments with spinning color wheels and optical illusions.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.