Physical Science Test 6 Flashcards Preview

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Flashcards in Physical Science Test 6 Deck (10):
1

Sediment

Small, sold fragments of and other materials that are carried and deposited by wind, water, or ice. Examples would be mud, sand, gravel

2

Sedimentary rock

Rock formed when chemical reactions cement sediments together, hardening them

3

Igneous rock

Rock that forms from molten rock

4

Metamorphic rock

Igneous or sedimentary rock that has been changed into a new kind of rock as a result of great pressure and temperature

5

Plastic rock

Rock that behaves like something between a liquid and a solid

6

Earthquake

Vibration of the earth that results either from volcanic activity or rock masses suddenly moving along a fault

7

Fault

The boundary between two sections of rock that cam move relative to one another

8

Focus

The point where an earthquake begins

9

Epicenter

The point on the surface of the earth directly above an earthquakes focus

10

Earth's crust

Earth's outer most layer of rock