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

This science project teaches students to classify different shapes of leaves.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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.

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

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project investigates the affect of storage temperature on microwave popcorn.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.