In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

In this project children practice the scientific method while playing with puffy paint.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

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

Make a backbone model to explore human anatomy and life science.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This science fair project idea explores whether white light can be separated into different colors.

How do organic materials become soil? This science experiment measures what materials biodegrade.