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

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

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

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

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

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

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

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

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

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

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.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.