In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea determines if the color of light affects the growth of plants.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science fair project idea investigates the hardness property of minerals.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

This easy at-home experiment is a great way to "see" science.

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.