What Is a Gas?
Part of the states-of-matter portion of this series, this book explains what gas is and how it functions. Students will learn how they can observe gas even though it is invisible, and why gas is important.
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.