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 scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

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

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!

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

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.

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?

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

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:

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.