G9 1-1 Classwork

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Class:
Name:
1-1
 Vocabulary
Medium
介质
Transverse wave
Longitudinal wave

What are waves?
mechanical wave
横波
crest
纵波
compression
机械波
波峰
密部
震动
波谷
疏部
vibration
trough
rarefaction
Basic understanding
1. A Wave is a disturbance involving the
kinds of
help power our life.
from place to place. And All
2. Mechanical Waves require
to travel through.
Mechanical waves form when a source of energy causes
3. A vibration of a mechanical wave is a repeated
4. A transverse wave is a wave that vibrates the medium at the
the direction in which the wave travels.
Crest:
point
Trough:
point
Rest position;position
moving
5. Common transverse waves:
6. A longitudinal wave is a wave that vibrates the medium in the
wave travels.
Compression: coils are
.
Rarefaction: coils are
.
7. Common longitudinal waves:
to
or
.
motion.
angles, or
, to
.
direction in which the
.
8. 2
9. Surface Waves are combinations of
separates
.
10.
What medium is the wave traveling through?
What is the source of energy causing the wave?
How do you know the wave is a mechanical wave?
What type of mechanical wave is this?
, travel along a surface
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