Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

This science fair project idea identifies trees using a dichotomous key.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This science fair project idea examines the reason boats are shaped and engineered.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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.

This science fair project idea explores the egg's thin membrane.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.