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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!