Rocks and the Rock Cycle — Cumulative exam Answers

50 verified answers1 views
22
Free Preview

Which list correctly names the three types of galaxies?

A
binary, open, globular
B
elliptical, open, binary
C
irregular, spiral, elliptical
D
open, irregular, spiral
24

Which describes one event that causes an eclipse?

A
Earth’s rotation on its axis
B
shadows from clouds covering Earth
C
Earth’s shadow covering the moon
D
the gravity from the moon and Sun pulling in the same direction
25

At which point is crust neither created nor destroyed?

A
island chain
B
mid-ocean ridge
C
divergent boundary
D
transform boundary
26

Which statement explains what similar fossils found on distant continents suggest about Earth’s history?

A
Animals have evolved over time.
B
The continents have moved over time.
C
Earth’s oceans had varying salt content through time.
D
There have been many animals on Earth that are now extinct.
27

Which statement describes Earth?

A
It is an outer planet.
B
It is a gaseous planet.
C
It was formed from gas and dust.
D
It has a thick atmosphere of hydrogen and helium.
28

Which two processes would most likely cause metamorphic rocks to change into sediments?

A
compaction and erosion
B
cementation and weathering
C
erosion and weathering
D
heating and compaction
29

Which example best illustrates a method to show differences among Earth’s layers?

A
Carson models how the continental crust varies in thickness.
B
Marisol records atmospheric and oceanic temperatures at several beaches.
C
Eliza analyzes seismic wave activity from an earthquake using a computer model.
D
Oscar determines the pressure at different depths of Earth’s crust.
30

The image shows an up-close view of a rock.

Question illustration
A
jagged grains
B
coarse grains
C
rounded grains
D
non-banded grains
32

Study this image of space.

Question illustration
A
a nebula
B
a red giant
C
a supernova
D
a neutron star
33

What do scientists know about the future of the universe?

A
what dark matter is made of
B
why the expansion of the universe is accelerating
C
that stars will eventually burn out causing the universe to become cold and dark
D
that galaxies spin much slower than they should based on visible matter
34

This is a map that shows hot spots around the world.

Question illustration
A
formed due to subduction
B
formed in the middle of a plate
C
formed at a divergent boundary
D
formed at a convergent boundary
35

Which is a difference between the Paleozoic and Mesozoic era?

A
Animals lived in the water during the Mesozoic and on land in the Paleozoic.
B
The first birds emerged in the Paleozoic era while mammals first emerged in the Mesozoic.
C
Many different species of dinosaurs lived in the Mesozoic, but they all died off in the Paleozoic.
D
Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era.
36

How do rock types contribute to the rate of weathering?

A
Porous minerals weather faster.
B
Harder minerals break apart more easily.
C
Minerals that dissolve easily weather slower.
D
Permeable rocks have less chemical reactions.
37

Which two scientists’ theories supported the general consensus of the people and religious teachings of the time?

A
Aristarchus and Aristotle
B
Aristotle and Ptolemy
C
Ptolemy and Copernicus
D
Galileo and Aristarchus
38

Which materials are moved by runoff?

A
nutrients
B
vegetation
C
large rocks
D
paved surfaces
39

In which era did mammals emerge?

A
Cenozoic
B
Mesozoic
C
Paleozoic
D
Precambrian

Did you find these answers helpful?