The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea investigates whether plants can survive being frozen.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Take a dive into the candy jar with this yummy science experiment.

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

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Have your child kick off their summer vacation by making a miniature water slide!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

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

Discover whether cold or hot water from the faucet will boil faster on the stove.