How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Start your toy engines -- this is going to be a fast and friction-filled race!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that explores the natural process of limestone formation.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea demonstrates that plants give off water.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this science project, the center of gravity is explored.

This science fair project idea uses the process of chemical weathering to change a mineral.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

This science fair project idea examines liquids of different densities.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science project teaches students to classify different shapes of leaves.

This science fair project demonstrates the "power of conformity".

Science fair project that determines whether spreading a moss soup over an area increases moss growth.