What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Find out whether putting something on top of a plant will inhibit its growth.

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.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.