This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

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.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

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

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

Discover whether a metal will expand under hot water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Using a toy race car kids create a visual model of the Doppler Effect.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Test whether plants can grow without sunlight and water.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Learn whether writing things down really makes things easier to remember.