SCIENCE

Question 1

Earth

Answer 1

only planet that can sustain life

4.5 billion

Question 2

Layers of the Earth

Answer 2

Crust
Mantle
Core

Question 3

Parts of the Earth

Answer 3

Lithosphere
Hydrosphere
Atmosphere
Biosphere

Question 4

Lithosphere

Answer 4

29.2%

land

Question 5

Hydrosphere

Answer 5

70.8%
salt 97%
fresh 3%

Question 6

Atmosphere

Answer 6

air

Question 7

Biosphere

Answer 7

living

Question 8

Volcano

Answer 8

an opening in the earth’s crust through which molten rocks erupt

Question 9

Active Volcano

Answer 9

recorded history
signs of unrest
10,000 years
1500 active in the world

Question 10

Date

Answer 10

scientists are dating rocks

Question 11

Pacific Ring of Fire

Answer 11

40,000 km

a zone of high volcanic activity

Question 12

Volcanoes form

Answer 12

subduction zones
hotspots
plates are pulling aapart

Question 13

Oceanic ridges

Answer 13

chain of volcanoes at the seafloor

Question 14

Warning signs by scientist

Answer 14

earthquakes
changes in the tilt of the ground
changes in temperature
volcanic gases change

Question 15

Explosive

Answer 15

Water vapor
trapped gases
BASALTIC LAVA

Question 16

Most Active Volcano

Answer 16

Mount Vesuvius 
Sakurajima 
Merapi
Nyiragongo
Ulawun
Taal
Mauna Loa

Question 17

Earthquake

Answer 17

forms of wave energy that are transmitted through bedrock.

Question 18

Movement of the tectonic plates

Answer 18

pressure builds up

Question 19

Hypocenter

Answer 19

FOCUS

underground focus point origin

Question 20

Epicenter

Answer 20

on the earth’s surface

Question 21

Seismic waves

Answer 21

elastic wave in the earth produced by an earthquake

Question 22

surface waves

Answer 22

move along the surface of the planet

Question 23

body waves

Answer 23

can travel through the earth’s inner layer

Question 24

primary wave

Answer 24

solid and liquid

same

Question 25

secondary wave

Answer 25

solid only | opposite

Question 26

Shallow focus earthquake

Answer 26

0-70 km deep | larger and more damage

Question 27

Deep focus earthquake

Answer 27

70-700 km deep

Question 28

Fault

Answer 28

a crack across

Question 29

Fault plane

Answer 29

first part where the fault occurs

Question 30

Fault trace

Answer 30

where it is | mark

Question 31

Hanging wall

Answer 31

block positioned over the fault

Question 32

Foot wall

Answer 32

block positioned under the fault

Question 33

Normal Fault

Answer 33

foot wall sa taas

Question 34

Reverse fault

Answer 34

hanging wall sa taas

Question 35

Tectonic Earthquake

Answer 35

most common | Happens when the shifting of the earth's plates

Question 36

Volcanic Earthquake

Answer 36

often occurs in volcanic region

Question 37

Collapse earthquake

Answer 37

small earthquake located underground/mines

Question 38

Explosion earthquake

Answer 38

results from chemicals/ nuclear devices