Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea determines which method of hand cleansing is the most effective.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

In this experiment you will replicate the mummification process by making a hot dog mummy.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Making your own glass cleaner is easy, effective and inexpensive!

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Discover how and which salt melts ice the quickest.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Examine the effect of pressure on carbonation in soda.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.