Make some cool hearts that are sure to brighten anyone's Valentine's Day. This project is a opportunity to play with overlapping shapes and show your love!

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.

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!

In this activity, your child will reflect on one role model in their life or research one historical figure that has displayed perseverance. Then, they will create a slideshow presentation or poster that defines and illustrates perseverance.

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

Try this concrete, hands-on organization system and you can count on more efficient, less stressful evenings this school year.

Use this great no-bake recipe to save energy and keep cool.

Need to cool down on a hot summer night? This gazpacho recipe does the trick.

Cool down this summer and stay active, too, with a wet clothes relay! 

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!

This project makes learning the difference between warm and cool colors easy and fun. And it's a great intro to complimentary colors - great for pop art!

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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

This sponge relay game is the perfect way to cool off and to keep kids' minds sharp this summer.

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.

Looking for a way to stay cool in the pool? Check out Elbow Tag, a simple and easy twist on the classic game tag.

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

Construct a card castle fit for a king! Treat your royal "face" cards (the kings, queens, and jacks) to the cool castle they deserve.

Encourage your child to explore color and its mood-altering effects by creating his own self portrait using only warm or cool colors.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.