Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

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.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

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.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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.

Learn about the growing app design field by designing a new or improved app for smartphones.

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.

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.

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?

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

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!

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

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!

Science fair project that determines how we can change potential energy into kinetic energy.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.