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.

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.

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.

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

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.

This science fair project idea investigates whether air has mass and weight.

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.

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.

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

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

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

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

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

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 project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.