This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

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.

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.

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.

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!