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

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how color affects temperature.

This science fair project idea determines if the color of light affects the growth of plants.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

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

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

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.

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

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 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.