1. The Big Blast
Unit 4
C. Perez, Griffith MS

2. Definition: a sudden falling of snow or rock down a mountain
avalanche
Definition: a sudden falling of snow or rock down a mountain
Sentence: The hikers ran from the path of the avalanche.

3. avalanche

4. colonizer
Definition: a plant or animal that moves to a new place to live
Sentence: The tiny plant was a colonizer that did well in its new surroundings.

5. colonizer

6. Definition: bowl-shaped hole at the top of a volcano
crater
Definition: bowl-shaped hole at the top of a volcano
Sentence: The scientist looked down into the volcano’s crater.

7. crater

8. Definition: a large, round top
dome
Definition: a large, round top
Sentence: The building was covered by a dome.

9. dome

10. earthquake
Definition: a sudden movement of the earth
Sentence: The earthquake damaged houses and bridges throughout a large area.

11. earthquake

12. eruption
Definition: a strong, sudden release of something
Sentence: An eruption of ashes and lava poured out of a volcano.

13. eruption
Mount St. Helen’s

14. flow
Definition: stream, steady movement
Sentence: The flow of water ran across the sidewalk for hours.

15. flow

16. Definition: power, energy; make something move
force
Definition: power, energy; make something move
Sentence: The force of the wind blew down trees.

17. force

18. Definition: hot, melted rock that comes out of a volcano
lava
Definition: hot, melted rock that comes out of a volcano
Sentence: The lava covered everything in its path as it flowed down the mountain.

19. lava

20. magma
Definition: hot, melted rock below the earth’s surface
Sentence: When magma reaches the Earth’s surface, it becomes lava.

21. magma

22. pressure
Definition: energy used to press one thing against another
Sentence: The pressure of the water caused the dam to break.

23. pressure

24. survivor
Definition: a person, an animal or a plant that lives through a dangerous event
Sentence: The pilot was the only survivor of the plane crash.

25. Jewish prisoners after liberation, 1945
survivor
Prisoners at the time of liberation of the Ebensee camp, a subcamp of the Mauthausen concentration camp. This photograph was taken by Signal Corps photographer Arnold E. Samuelson. Austria, May 7, 1945.
Jewish prisoners after liberation, 1945