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

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

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.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

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.