Chen records the current in milliamps, watching the meter needle shift as he changes resistors. What does current mean in this sentence?
- the flow of electric charge (correct answer)
- something happening right now
- a strong river movement
- a popular style or trend
Explanation: This question tests middle school vocabulary skills, specifically understanding the meaning of words with multiple meanings in context. The word 'current' means the flow of electric charge. Context clues like 'in milliamps' and 'watching the meter needle shift' help readers understand this meaning. In the passage, 'Chen records the current in milliamps, watching the meter needle shift as he changes resistors' provides the context needed to interpret 'current'. Choice A is correct because it accurately reflects the meaning of 'current' as used in the passage. This demonstrates the student's ability to use context clues effectively. Choice B is incorrect because it misunderstands the context, often due to associating 'current' with time rather than electricity. To help students, encourage them to identify and interpret context clues such as examples, definitions, or restatements. Practice distinguishing between multiple meanings by providing varied contexts for familiar words.