This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

Test whether plants can grow without sunlight and water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores the egg's thin membrane.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this experiment we will be determining whether birds prefer certain colors of seed.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.