1. Read the paragraph. Use context clues to write a general definition for each underlined word. Use a dictionary to write an exact definition.
   
   A pulley is a simple machine used for lifting heavy loads. Elevators and construction cranes use pulleys. They move heavy groups of people or supplies easily. Pulleys used to move heavier loads require longer chains, ropes, or belts.

Adapted from the “Intermediate Academic Upgrading-Science” learning packages; IA U-S 4.1

1. pulley
   
   
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2. loads
   
   
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