The beginning of the lesson
2 min
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Organizational period:
Greet students, take inventory, monitor readiness for class.
A look back. We will repeat the previous lesson by asking several questions. Request homework by asking the following questions:
1. Why one sound
sound from the source
hardness in space
will be less than in the room?
2. Why sound waves
over long distances
can't?
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Answers given questions.
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Descriptor:
The student answers the questions
Total score -3
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