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

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

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.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project idea investigates how the shape of an object affects drag.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science research project challenges students to think of more effective lobster farming methods.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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 experiment tests if dog saliva can really help heal wounds.

Check out this cool science fair project on identifying rocks and minerals for kids.