Earth Science Module 2

Question 1

Which structure supports a unique ecosystem and lifeforms?

Accepted Answer

Hydrothermal vents

Question 2

Sills are horizontal deposits of magma, while dikes are vertical deposits of magma

Accepted Answer

True

Question 3

Which type of volcano is associated with pyroclasts?

Accepted Answer

Cinder cones

Question 4

Volcanoes form on which types of plate boundaries?

Accepted Answer

Two plates converging on oceanic crust, A plate on oceanic crust converging onto a plate on continental crust

Question 5

The formation of an ocean basis causes which landscape features?

Accepted Answer

Rift Valleys, Plateaus

Question 6

The superposition principle states that layers on the bottom of a sedimentary rock are the youngest

Accepted Answer

False

Question 7

Which type of lava is the most explosive?

Accepted Answer

Rhyolitic

Question 8

What is convection?

Accepted Answer

Movement of hot rock upwards

Question 9

How many major plates are there?

Accepted Answer

9

Question 10

A lahar is...

Accepted Answer

A mudflow formed by volcanoes

Question 11

Select the incorrect statement about mantle plumes

Accepted Answer

Mantle plumes create a string of active volcanoes

Question 12

Surface seismic waves arrive at a seismograph first

Accepted Answer

False

Question 13

Plates with continental crust move faster than plates without continental crust

Accepted Answer

False

Question 14

Anything that cuts through a layer of rock is younger than that layer

Accepted Answer

True

Question 15

Types of seismic waves include...

Accepted Answer

Surface waves, Body waves

Question 16

Which pairing of parent rock and metamorphic rock is correct?

Accepted Answer

Sandstone > quartzite

Question 17

Foliation refers to...

Accepted Answer

Mineral grains rotating and aligning perpendicular to direction of pressure

Question 18

Breccia is...

Accepted Answer

Rocks with large grains made from pyroclastic material

Question 19

The asthenosphere is...

Accepted Answer

The section below the lithosphere

Question 20

What type of volcano causes the formation of crater lakes?

Accepted Answer

Calderas

Question 21

Which pair of rocks are mirror images of each other (one being intrusive and one extrusive)

Accepted Answer

Basalt and Gabbro

Question 22

Which description of a type of lava is correct?

Accepted Answer

Dacite lava has intermediate silica content, viscosity and density

Question 23

Earthquakes are caused by what sort of energy stored in rock masses?

Accepted Answer

Elastic

Question 24

Who proposed the continental drift hypothesis?

Accepted Answer

Alfred Wegener

Question 25

A 'locked fault' is...

Accepted Answer

Fused rock masses under stress from tectonic forces

Question 26

The same magma pool can create different types of rocks due to fractional crystallisation

Accepted Answer

True

Question 27

Select the incorrect statement about the splitting of oceanic crust

Accepted Answer

The lithospheric layer is the thickest at the ridge

Question 28

Poorly sorted particles within a sedimentary rock indicates...

Accepted Answer

The mode of transport (water vs ice)

Question 29

Which statement is incorrect?

Accepted Answer

Transform fault boundaries cause shallow and weak earthquakes

Question 30

Oregons are...

Accepted Answer

Rocks that have been formed by continental collisions

Earth Science Module 2

Questions 30

Earth Science Module 2

Questions 30