How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Create a bee garden to help shelter bees in your area.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This surprisingly good glue recipe comes from common kitchen items.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This science project teaches students to classify different shapes of leaves.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.