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

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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

This project examines which type of dance burns the most calories.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Explore the negative and positive consequences of stereotypes.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

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

Find out which kind of bubble wrap fares best when put in impact.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.