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This science fair project idea produces varying pitches of sound.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

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.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.