Find out more about the design and technology of some of the most widely used mechanisms, such as pulleys, gears and wedges. Detailed diagrams and simple experiments give you an in depth understanding of the basic principles behind each mechanism. Have fun using mechanisms to make four different machines for yourself, including a well, a spring balance and a toy van by followinig illustrated st…
Where does energy come from? Why do things fall down instead of up? This book looks at physics around us, and its use in everyday life. Discovery how cars and planes work, how energy is turned into power in your home, and much more.
Buku ini membahas mengenai fungsi pengungkit dan kegunaannya dari benda-benda yang ditemui sehari-hari. Dengan disertai percobaan mudah, membacanya menjadi lebih seru.'
A science book about force and motion.
A science book about push and pull; cause and effect and all other types of movement and force.
What shape makes a good wheel? Why do you whiz down a slide? How can Steve pull Amy and Jo in his wagon? Why did Amy slip on the grass? Jooin Steve, Amy, Zack, and Jo as they investigate why some things roll and others slide. Do the projects with them an
A science book about scientists who coined motion theories