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Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

The goal of this project is to create an exciting topographical map out of dough.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

In this science fair project, students make their own rain gauge to measure rainfall.

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 science project allows students to study the psychology of happiness.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this experiment you will replicate the mummification process by making a hot dog mummy.