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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

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

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

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

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!

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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 investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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.

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

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