Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Examine the effect of pressure on carbonation in soda.

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

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores the different properties & interactions of sugar molecules.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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.