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.

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

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.

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.

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!

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

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

Using a toy race car kids create a visual model of the Doppler Effect.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

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

Teach your child about using pumps to move water in this simple and educational preschool science activity!

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

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.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

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

Discover the wonders of simple clay by pressing flowers into a modeling medium!

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!

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

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

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.