Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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.

This project determines how much the rebound rates of tennis balls change after ten games.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

This science fair project idea studies how talking on a cell phone affect driving?

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Science fair project that cultivates slime mold and monitors the stages of its development.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

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.

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.