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This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Slip some science into storm watching with a homemade rain gauge!

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

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Make sourdough bread...and learn some colonial history and modern science in the process!

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

This science fair project idea produces varying pitches of sound.

This project explores ways to prevent static electrical shocks.

Plant a mini herb garden and teach your child about science and nature.

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.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This simple experiment serves as an introduction to the greenhouse effect.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.