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Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Construct and experiment with a periscope using reflected light rays to gather an image.

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

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

In this fun experiment, we'll find out how color affects heat absorption!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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