Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This science fair project examines the different composition of fungi and plants.

Help your child hunt and capture bugs to observe to practice important science skills and satisfy her curiosity simultaneously!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

I scream, you scream, we all scream for homemade spearmint ice cream!

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.