This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Give your budding young observers a chance to discover simple machines at use in their own home.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

This science fair project investigates why the number of visible stars changes from place to place.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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!

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

This project examines whether sugar substitutes are as sweet as real sugar.

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.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.