This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

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.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

This project explores ways to prevent static electrical shocks.

This science fair project idea determines what household items are good conductors of electricity.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This science fair project idea compares biodiversity between drops of water.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science experiment tests if dog saliva can really help heal wounds.