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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project idea explores substances that cause a bubble to last longer.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Examine the effect of pressure on carbonation in soda.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.

This project determines what category of person is most likely to be ticklish.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea determines which method of hand cleansing is the most effective.

Test whether plants can grow without sunlight and water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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

Learn all about balance and motion as your child designs a corn maze!

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Discover whether a metal will expand under hot water.

In this experiment we will be determining whether birds prefer certain colors of seed.