Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

This science fair project idea investigates whether air has mass and weight.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This biodiversity project examines the biodiversity in your own backyard.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.