Earthquakes and Volcanoes Earth Science

Question 1

Seismic waves travel at different speeds and in different ____ depending on the materials they travel through.

Accepted Answer

directions

Question 2

Viscosity is a fluid’s resistance to flow.

Accepted Answer

True

Question 3

The ___ magnitude scale uses the amount of motion at a given distance from an earthquake

Accepted Answer

Richter

Question 4

The epicenter of an earthquake is what?

Accepted Answer

the location on Earth’s surface directly above the focus.

Question 5

What is a fault?

Accepted Answer

is a break in Earth’s lithosphere

Question 6

Lava is a very hot substance that rises through cracks in the mantle

Accepted Answer

False

Question 7

surface waves move the ground up and down and side to side, like an ocean wave.

Accepted Answer

True

Question 8

Mud flows can explode out of a volcano up to 40 km into the air.

Accepted Answer

False

Question 9

Seismic waves slow down as they travel through ____ material.

Accepted Answer

hot

Question 10

primary waves are?

Accepted Answer

cause particles in the ground to move in a push-pull motion

Question 11

A seismogram is a graphical illustration of seismic waves.

Accepted Answer

True

Question 12

The Modified ___scale measures earthquake intensity based on descriptions of the earthquake’s effects

Accepted Answer

Mercalli

Question 13

Volcanoes that are not associated with plate boundaries are called ?

Accepted Answer

hot spots

Question 14

The area of earthquake and volcanic activity that surrounds the Pacific Ocean.

Accepted Answer

ring of fire

Question 15

The release of a large amount of volcanic ash can affect Earth’s climate by blocking sunlight.

Accepted Answer

True

Question 16

S-waves cannot travel through liquids, including Earth’s____ core

Accepted Answer

outer

Question 17

Most earthquakes occur along active hot spots

Accepted Answer

False

Question 18

Secondary waves move the ground up and down and side to side, like an ocean wave.

Accepted Answer

False

Question 19

_______ are the vibrations in the ground that result from movement along breaks in Earth’s lithosphere.

Accepted Answer

earthquakes

Question 20

What is made up of tiny particles of pulverized volcanic rock and glass, erupts explosively?

Accepted Answer

volcanic ash

Question 21

Deep earthquakes occur along _____ boundaries

Accepted Answer

convergent

Question 22

Plumes places where hot magma rises due to convection currents in the mantle.

Accepted Answer

True

Question 23

Magma from the hot mantle rises through cracks in the crust and forms volcanoes

Accepted Answer

True

Question 24

What is a volcano?

Accepted Answer

a vent in earths crust

Question 25

What is molten rock below the ground called?

Accepted Answer

magma

Question 26

As magma rises toward Earth’s surface, the pressure on it_______

Accepted Answer

decreases

Question 27

The three main kinds of faults are strike-slip faults, reverse faults, and normal faults.

Accepted Answer

True

Question 28

How many types of volcanoes are there?

Accepted Answer

4

Question 29

Scientists who study earthquakes are called seismologists.

Accepted Answer

True

Question 30

A seismograph measures and records how much the ground moves

Accepted Answer

False

Question 31

What boundary do volcanoes form along?

Accepted Answer

convergent

Question 32

Seismic waves originate along the fault where rocks first begin to move.

Accepted Answer

True

Question 33

The forces that move tectonic plates also push and pull rocks along breaks in the lithosphere.

Accepted Answer

True

Earthquakes and Volcanoes Earth Science

Questions 33

Earthquakes and Volcanoes Earth Science

Questions 33