Patricia Armentrout
6) The lever
Author
Series
Pub. Date
[1997]
Language
English
Description
Text and pictures introduce the lever, a simple machine used to change force and motion.
7) The screw
Author
Series
Pub. Date
[1997]
Language
English
Description
Text and pictures introduce the screw, a simple machine used primarily as a fastening device.
9) The wedge
Author
Series
Pub. Date
[1997]
Language
English
Description
Text and pictures introduce the wedge, a simple machine placed between objects to split, tighten, or secure a hold.
10) The pulley
Author
Series
Pub. Date
[1997]
Language
English
Description
Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.
12) The wheel
Author
Series
Pub. Date
[1997]
Language
English
Description
Text and pictures introduce the wheel, a simple machine used primarily to make it easy to move heavy loads.
16) The hospital
Author
Series
Pub. Date
[2009]
Language
English
Description
Updated for 2020. Hospitals are the focus of this book. Included is information about who works in hospitals, how they help us, and why people might need to go to a hospital.
17) The bank
Author
Series
Pub. Date
[2009]
Language
English
Description
Updated for 2020. Banks and their uses are described in this book, which includes details such as who works in banks, why banks are necessary, and what special equipment bankers use.
20) Going green
Author
Series
Pub. Date
[2009]
Language
English
Description
Updated for 2020, Eco-friendly energy is explained. The most current information is provided while establishing the understanding that it does not take much to make the world a better place.
Search Tools Get RSS Feed Email this Search