This science fair project idea investigates the hardness property of minerals.

This science fair project idea explores the different properties of matter.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Science fair project that determines whether mass and weight are the same or different.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Lots of everyday objects can be fun, whether it's buttons, beans, or Lego blocks. Here's an activity that uses coins to build problem-solving strategies.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Be active while learning about American history with this twist on the classic running game "Capture the Flag."

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.