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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

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

In this activity your child will create their very own marble maze!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The purpose of this science fair project is to build a basic radio.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

The goal of this project is to create an exciting topographical map out of dough.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn all about balance and motion as your child designs a corn maze!

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.