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

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

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

This science fair project examines how seeds hitchhike on animals and clothing.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project investigates why the number of visible stars changes from place to place.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

This science fair project idea determines which flower lasts the longest.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Start your toy engines -- this is going to be a fast and friction-filled race!

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.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.