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Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Discover whether a metal will expand under hot water.

This science fair project idea explores whether white light can be separated into different colors.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Test whether plants can grow without sunlight and water.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project idea produces sounds by creating vibrations using different objects.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea examines the reason boats are shaped and engineered.

Examine the effect of pressure on carbonation in soda.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.