Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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.

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

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

Summer is a great time to work on pre-kindergarten skills that will serve your child well in her first year at school, while having some fun in the sun!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Make this easy composting dessert and then enjoy the yummy results!

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

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

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Make frog feet sponge prints with your child for a fun and educational crafts activity.

Learn all about balance and motion as your child designs a corn maze!

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Help your child make a beautiful homemade sandcastle that will last!

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)