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Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates how the shape of an object affects drag.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this activity, your child will be challenged to make a tower using paper cups.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.