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Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

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.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Determine if gender affects the ability to identify different smells.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.