In this science fair project, students use the streak test to tell minerals apart from each other.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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

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

This science fair project idea experiments with spinning color wheels and optical illusions.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!