In this science fair project, young children notice and track changes in trees throughout the year.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea determines the probability of a coin landing heads or tails.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This project investigates the affect of storage temperature on microwave popcorn.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Construct batteries that make electricity from fruits with this fun science fair project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea examines the reason boats are shaped and engineered.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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.

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.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.