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.

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.

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

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.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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.

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.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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.

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.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Use these pretty egg carton flowers to decorate a spring table. They don't require water, they'll never wilt, and they're perfect for Easter.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

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

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea explores substances that cause a bubble to last longer.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

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

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