Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

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

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Free science fair project idea examining how different types of water affect plant germination and growth.

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

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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

Test out various brands of permanent markers to see which one is least water soluble.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

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.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

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

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

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

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

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

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.