8th Grade ??? Flashcards Preview

Science > 8th Grade ??? > Flashcards

Flashcards in 8th Grade ??? Deck (28)
Loading flashcards...
1

T or f focus earthquakes = most servers damage

True

2

T or F epicenter of quake on earths surface

True

3

To or F earthquakes can open and shut land and other things

False they can only cause fischers (cracks)

4

T or F earthquakes over 8.0 happens very 3 weeks

Fakes it's once or twice a year

5

T or f surface waves cause most damage

True

6

T or f tectonic plate in Indian Ocean question

False it's e pacific rim

7

To or f earths crust only moves during earthquakes

False it's always moving

8

What's two fault blocks moving last each other vertically

Dip slip

9

What's the slow movement of rock

Fault creep

10

Mathematical scale

Richter scale

11

Point earthquake begins ?

Focus

12

Risky hanging wall loves up?

Reverse

13

Earths surface above focus

Epicenter

14

Fault hanging wall moves down?

Normal fault

15

Two blocks move paste avh other horizontally

Strike slip

16

If you're outside when an earthquake hits what should you do

Go to open field where nothing can fall onto you

17

How are tsunamis formed and what do they effect

It's after an earthquake happens underwater and forms a giant tidal wave that damages the shore

18

Why is crawling under a table and doorway safe during an earthquake

It's more sturdy and won't break as easily me can protect you more

19

Why do fires follow earhquakes

Powerlines fall and gas lines break

20

Why do aftershocks occur

Earth is still adjusting and settling causing a mini earthquake

21

How does Richter scale measure quakes and what do the ratings mean

Measures seismic activity and each level is 10 times greater than the level below it , 1 is least and 10 is most

22

Earthquakes can go on for ????

Weeks

23

Buildings in quake zone should be built???

So they can sway with waves

24

How much more times is 7 than 4 on Richter scale

1,000

25

?????? MC question

Epicenter

26

Most servers quakes happen in _______ boundaries

Convergent

27

ESSAY would you live in earthquake zone

No I wouldn't because that would mean risking the dangers and loosing my home or maybe my life depending on how servers earthquakes are. And plus I love Pennsylvania

28

T or f Richter scale is based off eyewitness

False that's the mercalli scale