This science fair project will help students learn about non-vascular plants, such as mosses.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

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 project students experiment with making music using only glasses of water.

Use pepper and soap to discover some fun facts about the properties of water.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!