Vocabulary
A crack in the Earth's crust
fault
Which of these causes an earthquake?
a. lava hardening into rock
b. rock and soil sliding downhill
c. rocks crashing to the ground
d. two plates sliding past each other
d. two plates sliding past each other
Which statement is true about the structure of Earth?
a. Earth is made up of several layers
b. Earth's surface always stays the same
c. Earth's surface is a solid sheet of rock
d. Earth is all liquid rock under the surface
a. Earth is made up of several layers.
the shaking of the ground
earthquake
What most likely caused a mountain to form?
a. Ash fell from a volcano.
b. Wind deposited soil and rocks.
c. Two plates pushed against each other.
d. Gravity caused rocks and soil to move.
c. Two plates pushed against each other.
Name three events that can cause Earth's surface to change quickly.
Earthquakes, volcanoes, and landslides
a mountain or hill on Earth's crust through which lava, gas, and ashes erupt
volcano
Which of the following most likely caused a large crack to occur in the land?
a. landslide
b. earthquake
c. volcanic eruption
d. molten underground rock
b. earthquake
How would Earth's surface look after an earthquake occurs?
Buildings would be destroyed, crack appears in the land, some pieces of land could rise, etc.
a large section of Earth's crust and outer mantle that slowly moves
plate
A mountain town has many landslides. Which of these most likely caused the landslides?
a. volcanic eruptions
b. snow storms
c. rain showers
d. forest fires
a. volcanic eruptions
How would Earth's surface look after a volcano erupts?
Ash covers cities, lava covers the mountain, animals and plants are affected, etc.
What is the difference between lava and magma?
Lava is on the surface and magma is beneath the surface.
Each year an island near Hawaii gets larger. How does this most likely happen?
a. Landslides cause rocks to fall.
b. Earthquakes raise the land.
c. Volcanic eruptions add lava that builds up the land.
d. One plate slides under and pushes up another plate.
c. Volcanic eruptions add lava that builds up the land.
What do places with volcanoes most likely have in common?
a. They are in places where Earth's core is cracked.
b. They are in areas where one plate slides underneath another.
c. They are islands built up from the floor of the ocean.
d. They are on land that has a lot of rocks and soil.
b. They are in areas where one plate slides underneath another.