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!

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

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.

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.

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

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

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.

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.

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

In this project, a mnemonic is used to test how it increases memory.

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

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

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

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.