Light is all around us. It brightens our day and helps us learn and play. But where does light come from and where does it go at night? How does light make shadows and create colors? Informative, at-level text and colorful images provide answers to these questions about light and more.
Flick the switch, and you have light. Go outside during the day, and you see sunlight. Read to find out how living things use light. Also learn how light travels and what happens when it is dark.