In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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 project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Cleaning can be a chore, but not with this sudsy experiment!

People have favorite flavors, but what about ants? Which ant food is the most popular?

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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.

This project determines what category of person is most likely to be ticklish.

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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea examines the reason boats are shaped and engineered.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.