Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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.