Earth Structural History

1.

1 point

What is rock stress?

deformation of layers of Earth

movement of waves parallel to rock particles

force (pressure) placed on rock

units of measure on the Richter scale

2.

1 point

Some of the features found on the bottom of the sea floor are abyssal plains, seamounts, trenchs, mid-ocean ridges

True

False

3.

1 point

According to the Geologic time scale what is the current period called?

Jurassic

Triassic

Quaternary

Cretacious

4.

1 point

________________plate boundries are boundries that slide alongside one another

subduction

transform

divergent

convergent

5.

1 point

Tectonic plates that move toward each other and collide can form which of the following

mountains

trenches

volcanoes

all of the above

6.

1 point

What are the major subdivisions of geologic time (in correct order from longest to shortest time)

eras, periods, epochs

epochs, eras, periods

eras, epochs, periods

none of the above

7.

1 point

The longest part of Earth's history is called

Cambrian

Mezozoic

Jurassic

Pre-Cambrian

8.

1 point

The longest mountain range on earth is found at the bottom of the Earths ocean

True

False

9.

1 point

Plate movement is caused by

rift valley's earthquakes

weather patterns

convection currents in mantle

none of the above

10.

1 point

Geologist (geoscientists) are important because they

study, preserve & clean the environment

design and monitor waste disposal sites

preserve water supplies and reclaim contaminated water

all of the above

11.

1 point

What is Geology? (choose best answer)

the study of rocks and minerals

the study of oceans and land

the study of weather

the study of Earth's processes that shape

12.

1 point

Sea floor spreading is when new sea floor is formed because _______ is forced upward

magma

dirt

water

calcium carbonate

13.

1 point

Constructive forces are things like

earthquakes, new crust formation, plate collisions

volcanoes, plate collisions and earthquakes

plate collisions, new crust formation, volcanoes

new crust formation, uplifting and earthquakes

14.

1 point

________________plates move toward each other

divergent

deductive

transform

convergent

15.

1 point

Plates are large sections of the Earth's oceanic or continental

mantle

crust

core

none of the above

16.

1 point

Seamounts are above the ocean surface

True

False

17.

1 point

The ring of fire is caused by

cigarettes

forest fires

country music singer

plate boundary movement/stress

18.

1 point

The largest mass extinction event occurred at the end of the (hint:this is not the event that killed the dinosaurs)

Pre-Cambrian Era

Paleozoic Era

Mesozoic Era

Cenozoic Era

19.

1 point

The 4 dynamic systems the make up Earth's processes are

biosphere, hydrosphere, aerosphere, geosphere

biosphere, hydrosphere, atmosphere, geosphere

biosphere, hydralicsphere, atmosphere, geosphere

biomassphere, hydrosphere, atmosphere, geologicsphere

20.

1 point

The inner core is liquid metal and is sealed in by the solid outer core.

True

False

21.

1 point

Continental drift theory was not accepted because Alfred Wegener couldn't prove what caused the continents to move.

True

False

22.

1 point

Who proposed the theory of continental drift

Charles Darwin

Alfred Wegener

Harry Hess

Gregor Mendel

23.

1 point

_________________is the theory that the Earth's upper mantle are broken in plates that float and move around on the mantle

plate tectonic

theory of evolution

continental drift

sea floor spreading

24.

1 point

Dinosaurs became extinct due to a mass extinction event 65 million years ago at the end of the

Mesozoic Era

Pre-Cambrian Era

Paleozoic Era

Cenozoic Era

25.

1 point

An arch-like structure caused when rocks are folded upwards is an

syncline

domed mountain

anticline

folded mountain

26.

1 point

Pangaea (the supercontinent) began to break up into current continents while the dinosaurs were still alive during the

Cenozoic Era

Precambrian Era

Tertiary period

Mesozoic Era

27.

1 point

The Asthenosphere is a ________________layer of the earth which the plates move and float around

hollow

solid

liquid

none of the above