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This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Test whether spot magnets can help improve the symptoms of an injury.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores whether color affects a person's emotional state.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

The purpose of this science fair project is to build a basic radio.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.