Light and Sound

Light and Sound

Assessment

Flashcard

Science

4th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a repeating sound caused by sound waves bouncing off a surface?

Back

echo

2.

FLASHCARD QUESTION

Front

What is the term for a back and forth movement?

Back

vibration

3.

FLASHCARD QUESTION

Front

What do we call light that is taken in and not reflected or transmitted?

Back

absorbed

4.

FLASHCARD QUESTION

Front

What is the process called when light changes direction after bouncing off a shiny, smooth surface?

Back

reflection

5.

FLASHCARD QUESTION

Front

True or False: Sound travels faster through solids than air and water.

Back

True

6.

FLASHCARD QUESTION

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second (m/s).

7.

FLASHCARD QUESTION

Front

What is the phenomenon called when sound waves spread out after passing through a narrow opening?

Back

diffraction

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