The first time the term ?tractor beam? was used was in 1931. Since then, tractor beams have been used in many science fiction books, movies, and TV shows to draw in spacecraft, people, and objects in space. This science fiction technology has become science fact. In 2015, scientists used sound waves to move tiny objects. Through reading about this and other modern technology, readers are engaged with incredible STEM information as well as their imaginations as they also learn the connections between this technology and popular science fiction.
"This engaging book describes the properties of light waves, how they move, and the way our eyes receive them. Readers will learn that we see an object when light reflects from its surface and into the eye. A link to interactive activities online plus an activity in the book allow readers to create models that explore how to redirect and block the path a light wave travels."--.
"This ... title introduces readers to the concept of a wave and the patterns and properties common to both light and sound waves. Clear text and detailed diagrams combine to demonstrate the cause-and-effect relationships involved in the properties of amplitude, wavelength, and frequency. A link to interactive activities online plus an activity in the book allow readers to explore key concepts close up by creating their own wave models."--.
"In this ... title, readers explore how light and sound waves transfer information. From telescopes that extend our sense of sight to satellites that help us communicate across large distances, patterns of waves transfer information in many ways. A link to interactive activities online plus an activity in the book allow readers to use what they have learned about waves to engineer wave patterns that communicate across distances."--.
Explains what electromagnetic energy is, where it comes from, and how it is used; introducing such concepts as the electromagnetic spectrum, magnetic and electric forces, and infrared waves.
Introduces students in grades five through eight to key concepts in physics, using visuals and experiments to explain light waves, the electromagnetic spectrum, light behavior, transparency, translucence, reflection, refraction, and colors.
