In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea investigates the hardness property of minerals.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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 science fair project idea examines whether boys and girls differ in reflexes.

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

This science fair project teaches students the differences between fruits and vegetables.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Find out whether putting something on top of a plant will inhibit its growth.

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

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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 idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.