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The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea explores how length affects the weight a bridge can hold.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Is it a square or a circle? See if you can trick your friends with this zany science project!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea examines the reason boats are shaped and engineered.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

People have favorite flavors, but what about ants? Which ant food is the most popular?

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.