Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this fun experiment, we'll find out how color affects heat absorption!

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Find out which type of sponge holds the most water.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Could there be toxic chemicals lurking in the cupboards and closets of your home?