This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

An home science experiment for older students that teaches about the science behind heat.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

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.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Science fair project that creates fog using bottles of hot and cold water.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea produces varying pitches of sound.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This science fair project idea will be examining oxidation and acid rain

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.