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Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

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

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This science fair project idea examines whether people can decode scrambled messages.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.