Anne Welsbacher
1) Pulleys
Author
Language
English
Description
Uses everyday examples to describe pulleys as simple machines that make lifting, pulling, and moving easier.
4) Wedges
Author
Language
English
Description
Uses everyday examples to show how wedges are simple machines that make pushing, pulling apart, and lifting easier.
5) Levers
Author
Language
English
Description
Uses everyday examples to describe levers as simple machines used to lift, push, or move a load.
6) Screws
Author
Language
English
Description
Uses everyday examples to show how screws are simple machines that make joining things together, moving, and lifting easier.