Understanding Physical Science

Sensors and Detectors – Homework

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INSTRUCTIONS: Print out a copy of this homework assignment, answer the questions correctly, and give or send the homework to your instructor.

YOUR NAME:

1. Why are detectors and sensors important in studying physical phenomena?

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2. List two ways a human can detect light.

a.

b.

3. How would you detect a change in the direction of gravity?

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4. How do plants respond to gravity?

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5. Why aren’t we sure about detecting “psychic energy?”

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6. Name two detectors of sound energy.

a.

b.

7. What ways could you detect motion when in a car?

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8. Can a blind person detect color?

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