This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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!

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.