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Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

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

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project investigates the affect of storage temperature on microwave popcorn.

Test whether plants can grow without sunlight and water.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.