This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea explores the egg's thin membrane.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea demonstrates that plants give off water.

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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.

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.

This science fair project idea explores whether white light can be separated into different colors.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Test whether plants can grow without sunlight and water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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