HAZARDS😱

Question 1

what scales are used to measure earthquakes?

Answer 1

Richter and mercalli scale

Question 2

what does the mercalli scale describe?

Answer 2

intensity and likely effects of the earthquake

Question 3

what does the richter scale measure?

Answer 3

magnitude or energy released

Question 4

what are some hazards?

Answer 4

hurricanes, heatwaves, earthquakes, volcanic eruptions, climate change, tropical storms, blizzards.

Question 5

what is the mantle?

Answer 5

semi-molten of the earths structure below the crust

Question 6

what is a natural hazard?

Answer 6

a natural event which threatens people or has the potential to

Question 7

what are convection currents?

Answer 7

heat driven currents in the mantle

Question 8

what is magnitude?

Answer 8

the size of an event

Question 9

what is frequency?

Answer 9

how often a hazard occurs

Question 10

what is the focus?

Answer 10

point within the earth where energy is released due to a sudden slip

Question 11

what its the epicentre?

Answer 11

point in the surface directly above the focus

Question 12

what is a seismometer?

Answer 12

a machine used to measure the shaking of the ground

Question 13

what is a constructive boundary?

Answer 13

where 2 plates move apart

Question 14

what do constructive boundaries make?

Answer 14

mid-ocean ridges and non-explosive volcanoes

Question 15

what is a destructive boundary?

Answer 15

where 2 plates meet

Question 16

what does a destructive boundary make?

Answer 16

trenches, volcanoes, large earthquakes

Question 17

what is conservative boundary?

Answer 17

2 plates slide past each other

Question 18

what do conservative boundary make?

Answer 18

potential to create large earthquakes

Question 19

what is the most inner part of the earth called?

Answer 19

inner core

Question 20

what is the second most outer layer of the earth called?

Answer 20

outer core

Question 21

what is the most outer layer of the earth called?

Answer 21

crust

Question 22

what is between the crust and outer core?

Answer 22

mantle

Question 23

name a destructive plate boundary.

Answer 23

between Philippines and pacific plate

Question 24

name a constructive plate boundary.

Answer 24

between antarctic and into-australlian plate

Question 25

name a conservative plate boundary.

Answer 25

antarctic and nazca plate

Question 26

what are some natural hazards

Answer 26

tsunami, earthquake, tornado, volcanic eruptions