This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates the difference in reaction times between boys and girls.

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.

Have your child kick off their summer vacation by making a miniature water slide!

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

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Start your toy engines -- this is going to be a fast and friction-filled race!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!