Earthquakes
“The floor trembled under my feet; when the books crashed into each other and fell down I was frightened and hurried to leave the room." What is the writer describing?
an earthquake
The Earth is made up of tectonic plates that can move. True or false?
true
True or False. Scientists are still learning about plate tectonics.
True.
dr. a
month
banjo
Dr. A
A scientist who studies geology is called a...?
geologist
There are about ________ happening every day:
a. 55
b. 75
c. 5
d. 10
a. 55
Which of the following is NOT a layer of the earth:
a. the core
b. the fault
c. the mantle
d. the crust
b. the fault
Alfred Wegener's theory of Continental __________.
a. Movement
b. Earthquakes
c. Plate Tectonics
d. Drift
d. Drift
birthday
december
mayor
December
The scientist who hypothesized the continental drift theory:
a. Alfred Wegener
b. Albert Washington
c. Alfred Wojino
d. Albert Wisconer
a. Alfred Wegener
There are over ________________ earthquakes each year:
a. 100,000
b. 250,000
c. 500,000
d. 1,000,000
c. 500,000
Magma beneath the crust erupts through
cracks as lava. The lava cools into _________.
a. sodium
b. phosphorus
c. volcanoes
d. basalt
d. basalt
These scientists found ____________that seemed to show that sea levels had been higher—and lower— at different times in the past.
a. arguments
b. evidence
c. magma
d. mountains
b. evidence
sandwich
supervillian
dasani
Dasani
What did people in the Middle Ages think caused earthquakes?
God/the gods
All earthquakes begin with huge blocks of rock moving along faults. The place in Earth’s crust where this happens is an earthquake’s ____________.
focus
the name Wegener gave the supercontinent. means "all the earth"
Pangea
At some boundaries, tectonic plates are ____________ or crashing together.
colliding
christmas
holiday
happy
Christmas
At some boundaries, tectonic plates are ____________ As the plates separate, molten rock flows up from the mantle into the space between them, creating new crust.
moving apart
When you press your hands together and let one hand quickly slide forward, that sudden slipping is what happens at a _________. This triggers an earthquake.
fault
Name one of Earth's major tectonic plates.
Geologist observe how big rocks gradually breakdown into tiny pieces called __________.
sediments
hope
hamburger
harry potter
Harry Potter
Earthquakes that occur in the crust forming the ocean bottom can cause the seafloor to shift. The result is a gigantic wave called a ___________.
tsunami