Earth Science: Origins of the Universe / Rocks and Minerals, science homework help

divergent

 b

convergent

 c

transform

 d

strike-slip

reverse

 b

normal

 c

transform

 d

strike-slip

lines of active stratovolcanoes

 b

lines of earthquake epicenters

 c

margins of the continental shelves

 d

the locations of deep mantle hot spots

calming effect

 b

force

 c

liquid

 d

nothing

the Arabian Peninsula slamming into North Africa under the Red Sea

 b

the northern movement of Baja California and a sliver of western California toward the Hawaiian Islands

 c

the northward movement of India into Eurasia

 d

the westward movement of the South American plate over the Nazca plate

a row of young, active shield volcanoes built as western North America moved over a hot spot deep in the mantle

 b

old, deeply-eroded stratovolcanoes built before the Pacific Ocean existed

 c

old, deeply-eroded, basaltic shield volcanoes built when western North America was over the present-day site of the Hawaiian hot spot

 d

young, active stratovolcanoes built on a continental margin above a sinking slab of oceanic lithosphere

epicenter

 b

fault scarp

 c

surface wave

 d

inertial point

13.7 billion years

 b

4.6 billion years

 c

3.8 billion years

 d

4000 years

disprove competing theories that were more accepted by scientists

 b

find geologic similarities on different continents

 c

identify a mechanism capable of moving continents

 d

all of these

limestone

 b

rhyolite

 c

shale

 d

slate

Certain minerals may recrystallize.

 b

Crystals may grow larger.

 c

The rock becomes more compact.

 d

all of these

color

 b

composition

 c

particle size

 d

all of these

decrease

 b

increase

 c

are not affected

 d

none of these

A mineral is defined by the rock in which it is found.

 b

Rocks always contain the same minerals in the same concentrations.

 c

Minerals have a wide variety of forms and characteristics.

 d

Rocks are aggregates of minerals.

andesite

 b

basalt

 c

diorite

 d

granite

cleavage

 b

hardness

 c

luster

 d

streak

carbonates

 b

feldspars

 c

micas

 d

pyroxenes

cleavage

 b

cracking luster

 c

crystal form

 d

streak

hold important clues about the Earth’s history

 b

may be economically important

 c

may contain fossils

 d

all of these