Earth Structural History

1.

1 point

The longest part of Earth's history is called

Cambrian

Mezozoic

Pre-Cambrian

Jurassic

2.

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

3.

1 point

________________plate boundries are boundries that slide alongside one another

subduction

transform

convergent

divergent

4.

1 point

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

mountains

trenches

volcanoes

all of the above

5.

1 point

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

biomassphere, hydrosphere, atmosphere, geologicsphere

biosphere, hydrolicsphere, atmosphere, geosphere

biosphere, hydrosphere, atmosphere, geosphere

biosphere, hydrosphere, aerosphere, geosphere

6.

1 point

The largest mass extinction event occurred at the end of the

Paleozoic Era

Mesozoic Era

Cenozoic Era

Pre-Cambrian Era

7.

1 point

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

True

False

8.

1 point

Plate movement is caused by

rift valley's earthquakes

weather patterns

convection currents in mantle

none of the above

9.

1 point

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

True

False

10.

1 point

_________________is the theory that the Earth's upper mantle are broken in plates that float and move around on the lower mantle, or Asthenosphere.

theory of evolution

plate tectonic

sea floor spreading

continental drift

11.

1 point

Constructive forces are things like

volcanoes, plate collisions and earthquakes

earthquakes, new crust formation, plate collisions

new crust formation, uplifting and earthquakes

plate collisions, new crust formation, volcanoes

12.

1 point

The Asthenosphere portion of the mantle is a ________________layer of the earth on which the plates move and float

hollow

solid

liquid

none of the above

13.

1 point

The "Ring of Fire" is caused by

forest fires lit in a circle

plate boundary movement/stress building volcanoes

campers toasting marshmellows

country music singer

14.

1 point

________________plates move toward each other

divergent

transform

convergent

deductive

15.

1 point

Plates are large sections of the Earth's _________ and _________

mantle and core

crust and mantle

core and crust

none of the above

16.

1 point

What is Geology? (choose best answer)

the study of oceans and land

the study of rocks and minerals

the study of weather

the study of Earth's processes that shape the Earth

17.

1 point

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

True

False

18.

1 point

Seamounts are above the ocean surface

True

False

19.

1 point

The Geologic Time Scale is a

Timeline that tells a story of what has happened here on Earth

Way to categorize life forms as they appeared and disappeared

A chart that classifies how old rocks and minerals are

The first two choices

20.

1 point

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

magma

calcium carbonate

dirt

water

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

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

23.

1 point

Who proposed the theory of continental drift

Harry Hess

Alfred Wegener

Charles Darwin

Gregor Mendel

24.

1 point

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

Massive Earthquakes/Fires

Disease/Genetic Inbreeding Weaknesses

Global Flooding/Mudslides

Meteorite Impact/Volcanic Activity