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

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

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

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.

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

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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.

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

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.

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.

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.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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 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.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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

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!

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.

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

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

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

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

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

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