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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Learn all about balance and motion as your child designs a corn maze!

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

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.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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 science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

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

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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

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.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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