In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

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

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

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

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

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

Make an edible play dough with your child to help her develop her sensory and motor skills.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

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!

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.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Make these homemade shell fossils and introduce your child to the wonders of science!

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.

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.