In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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