Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

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.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

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.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this project, a basketball containing different psi is dropped to see how well it bounces.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.