What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Make a backbone model to explore human anatomy and life science.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

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.

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

Examine the effect of pressure on carbonation in soda.

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

This science fair project idea produces sounds by creating vibrations using different objects.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea determines which method of hand cleansing is the most effective.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this project students experiment with making music using only glasses of water.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

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

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