Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea explores whether white light can be separated into different colors.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Discover which method for odor removal words the best for stifling refrigerator odors.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Explore the wattage of microwaves in relevance to cooking time.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

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.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Test out various brands of permanent markers to see which one is least water soluble.