In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

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.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

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

Here's a pressed leaf card project that puts science and writing together for your second grader.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Help your child learn about animal classification with this fun and delicious activity.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea experiments with spinning color wheels and optical illusions.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.