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…
Scissors are commonly found on school supplies lists, but most students don't recognize them for the simple machines they are. This exploration of school buildings and grounds encourages critical thinking to uncover the simple machines that are often taken for granted and teaches basic physical science concepts in a fun way.
aperback. Pub Date :2008-08-25 Language: English Publisher: McGrawHill Education Top readers is a series of beautifully designed. fact-based books. richly illustrated with a wealth of accurate. full-color illustrations. intriguing diagrams. cross-sections and cutaways. Top readers is a beautifully designed. full of informative books. Configure the book dizzying variety of color pictures. enjoy …
Humans have used weapons to fight their enemies since the dawn of history. Todays military arsenal is filled with the most accurate and sophisticated tools yet. Read all about these high tech weapons and the science that went into their development.
Describes how is petrol made.
This book's contain an excitement journey about how papers are made.'
Sc Cilandak (Expanding later)
In this book you can learn about machine mechanism in our daily activities.'
This book covers all the basic questions a young child may have about the who, what, why, and especially the how of everyday things. Focusing on how things are made, refined, and used by people, this book provides kids with simple, accurate explanations.
All about roads and vehicles.'