How Light Travels
Some objects are transparent, some are translucent, and some are opaque. What kinds of materials are transparent? What kinds are opaque? How does light travel, and what kinds of shadows does it make?
This is 1 of 26 leveled readers in STEM Explorations—a series of informational texts that takes young readers through the worlds of natural science and man-made inventions. Explore weather, seasons, and states of matter. Take trips through time with the advance of computers. Learn how to measure time and temperature, how halves and quarters can be used to share, and how sound and light travel.