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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

Test whether plants can grow without sunlight and water.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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.