Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Check out this cool science fair project on identifying rocks and minerals for kids.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this cool science project, model how impact craters form on the surface of the moon.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

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

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.