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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea provides evidence that air is everywhere and takes up space.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.