Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

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.

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.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Construct and experiment with a periscope using reflected light rays to gather an image.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this fun experiment, we'll find out how color affects heat absorption!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science project allows students to study the psychology of happiness.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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

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.

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.