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

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

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.

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.

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

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

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

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

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

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

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!

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

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 activity, your child will be challenged to make a tower using paper cups.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

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.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

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

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

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!

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

Here's a simple science activity that will help your child better understand how wells bring us water.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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.