This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This project compares the strength of one, two, and three-ply toilet paper.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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

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

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

In this project, waves of vibrations are experimented with using water in glasses.

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.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea explores whether talking to a plant will help it grow.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this project, different brands of microwave popcorn are tested and compared.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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 determines which method of hand cleansing is the most effective.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea investigates the difference in reaction times between boys and girls.