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

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!

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.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Here's a simple activity to reinforce your fourth grader's study of her home state and help her make a pretty keepsake.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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.

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

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.

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!

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

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.

Use muffin tins to create a simple, affordable and fun game to help your child practice their vocabulary!

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

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

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!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea explores whether color affects a person's emotional state.

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.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

Test your kid's knowledge of presidents one through forty-four with this fun and educational matching game!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.