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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.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Using a toy race car kids create a visual model of the Doppler Effect.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This biodiversity project examines the biodiversity in your own backyard.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Use pepper and soap to discover some fun facts about the properties of water.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.