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.

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!

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!

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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 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!

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!

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

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!

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.

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.

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

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!)

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

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!

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.