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

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.

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.

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

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

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.

This surprisingly good glue recipe comes from common kitchen items.

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

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.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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.

This science project teaches students to classify different shapes of leaves.

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.

This science experiment tests if dog saliva can really help heal wounds.

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

This science fair project idea explores how length affects the weight a bridge can hold.

This science project allows students to study the psychology of happiness.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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