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.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

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 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 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.

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.

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.

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.

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

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!

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

Get a better understanding of water content by dehydrating carrots.

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

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

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.