What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project will help students learn about non-vascular plants, such as mosses.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This science fair project idea investigates if fats add to the flavor of food.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.