Page 69 - Science Course 3 (Book 2)

Mo10-L3: Vocabulary Review

Direction: Write the correct term in the box to the right of each clue. Then unscramble the letters in the
shaded boxes to spell a sixth term.

compression decibel pitch rarefaction rest position

1. how high or low a sound seems

2. The distance that a vibrating particle moves from this
point is the amplitude.

3. Particles are closest together in this region.

4. Particles are farthest apart in this region.

5. unit used to measure loudness

6. When they are unscrambled, the letters in the shaded boxes spell , which
works with the brain to interpret sound waves, which are converted to nerve signals.

Mo10-L3: Key Concept Organizer

Direction: On the line before each description, write the letter of the term or phrase that matches it
correctly. Some terms or phrases will be used more than once.

1. has three main parts A. cochlea
2. the part of the ear you can see
B. different parts
3. amplif es, or increases, the intensity of sound waves of the ear
4. includes the eardrum
C. human ear
5. collects sound waves
D. inner ear
6. includes three tiny bones called the hammer, the anvil, and the stirrup
7. contains the cochlea E. middle ear
8. has a spiral shape and changes sound waves to nerve signals
F. outer ear
9. changes sound waves to nerve signals that the brain interprets
10. work together to gather and interpret sound waves

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