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This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this project students experiment with making music using only glasses of water.

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

Construct batteries that make electricity from fruits with this fun science fair project.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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.

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.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.