Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

Examine whether males or females are more likely to have a higher center of gravity.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Free science fair project idea examining how different types of water affect plant germination and growth.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Determine which metal has the highest rate of conductivity.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.