Sound has a source, and it travels from that source to our ears in the form of waves. Learn how about different types of sound waves, how they are made, and how they work.
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.