This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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.

This science fair project idea demonstrates that plants give off water.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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.