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Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project teaches students about wilting and browning of salad greens.

Word color association is just a fancy way to talk about the way we connect colors with words.

Use pepper and soap to discover some fun facts about the properties of water.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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 free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.