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This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Make a backbone model to explore human anatomy and life science.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Have your child kick off their summer vacation by making a miniature water slide!

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.