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.

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

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

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

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

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

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

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 observe, record, and create collections of shapes in their world and increase their powers of observation.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.