In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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 studies which brand of wintergreen candy produces the most sparks in the dark.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

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.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project idea explores whether white light can be separated into different colors.

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

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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 examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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