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In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

Help your kindergarten science maven explore the water cycle without getting everything wet.

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.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

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

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.