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This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Discover which fabrics shrink the most in the wash and why.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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

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

What happens when colored beams of light mix? You might be surprised.

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 develops an understanding through experimentation of which shapes are the most structurally strong.

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.