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

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

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

In this project children practice the scientific method while playing with puffy paint.

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

In this science fair project, young children notice and track changes in trees throughout the year.

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

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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

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, young children discover what happens when two fluids that have different densities get together.

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

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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 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.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

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.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea investigates if fats add to the flavor of food.