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

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

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!

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!

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.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

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

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

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

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

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

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

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this project, different childproof containers are tested to see how childproof they really are.