Children use their design thinking skills and powers of observation to create and construct a bird nest.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

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

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

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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

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

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

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

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

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

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

This science fair project teaches students about wilting and browning of salad greens.

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

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.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.