Activity 1: Earthquake Crossword Puzzle
Directions: Complete the crossword by filling in a word that fits each clue. (Students will
accomplish the activity in their activity notebook).
10.
Across
2. A sudden and violent shaking of the ground.
sometimes causing great destruction, as a result of
movements within the earth's crust or volcanic
action.
6. The point in the earth where the earthquake
ruptures or fault movement actually occurred.
7. A thin zone of crushed rock separating blocks
of the earth's crust.
8. The point on the Earth's surface that is directly
above the hypocenter or focus, the point where an
earthquake or underground explosion originates.
9. An instrument that measures and records
details of earthquakes, such as force and duration
10. The severity of earthquake shaking is assessed
using a descriptive scale - the Modified Mercalli
Intensity Scale.
Down
1. An area on the margins of tectonic plates
where seismic, volcanic, and tectonic activities
take place as a consequence of the relative
motion of the plates.
3. A sudden movement of the ground that
releases elastic energy stored in rocks and
generates seismic waves.
4. A twelve-point scale for expressing the local
intensity of an earthquake, ranging from 1
(virtually imperceptible) to XII (total
destruction).
5. The great size or extent of something (size).
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