In Class Terms

Question 1

Landscapes

Answer 1

the overall shape and character of the land surface in a region

Question 2

outcrop

Answer 2

an exposure of bedrock

Question 3

bedrock

Answer 3

rock still attached to the earth’s crust

Question 4

talus slopes

Answer 4

steep accumulation of rock fragments

Question 5

hand sample

Answer 5

a piece of rock about the size of a fist, that can be collected for study

Question 6

thin section

Answer 6

a 3/100 mm thick slide of rock that can be examines with a petrographic microscope

Question 7

drilled core

Answer 7

round drilled cutting of rock below the earth’s surface

Question 8

model

Answer 8

a representation of the construction or appearance of something

Question 9

unconformity

Answer 9

a change in layers of rock

Question 10

density

Answer 10

a measurement of how tightly matter is crammed together (mass/volume)

Question 11

gravity

Answer 11

the force that attracts a body toward the center of the earth, or toward any other physical body having mass

Question 12

pressure

Answer 12

continuous physical force exerted on or against an object by something in contact with it

Question 13

atmosphere

Answer 13

a layer of gas that surrounds the planet

Question 14

the hydrosphere

Answer 14

the earth’s water, including surface water, groundwater, and liquid water in the atmosphere

Question 15

crust

Answer 15

the rock that makes up the outermost layer of the earth

Question 16

the mantle

Answer 16

thick layer of magma below the Earth’s surface

Question 17

lithosphere

Answer 17

cooler, rigid part of the crust plus upper mantle

Question 18

asthenosphere

Answer 18

part of the upper mantle that is warmer near the melting point of minerals, soft and weak

Question 19

the core

Answer 19

made of iron and nickel, heat is produced from radioactive materials