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

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.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

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

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

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

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.