Plate Tectonics

Question 1

There have been three large eruptions at Yellowstone, possibly even lowering global temperatures. That would make it a

Accepted Answer

supervolcano.

Question 2

When thermal energy causes the mantle to become dense and sink, it forms a convection current. Where does this occur?

Accepted Answer

the asthenosphere

Question 3

Located in Ethiopia, Erta Ale is one of the few volcanoes to have a lava lake. It is on a hot spot, meaning

Accepted Answer

Erta Ale was formed by hot and buoyant magma.

Question 4

New Zealand&#x27;s Alpine Fault forms a transform boundary. This type of fault is likely to cause an earthquake.

Accepted Answer

True

Question 5

What evidence do we have to support the theory of continental drift?

Accepted Answer

Glacial grooves are present in areas close to the equator., Certain volcanic rocks in both Africa and South America are identical., Mountain ranges on different continents form together like puzzle pieces.

Question 6

When walking along a trail, you notice rock layers in the mountain. According to superposition, which is the oldest?

Accepted Answer

the lighter rock at the very bottom

Question 7

The Mid-Atlantic Ridge grows every year, forming an ocean trench the size of the Grand Canyon. What is it an example of?

Accepted Answer

seafloor spreading

Question 8

Earthquakes are measured on a scale of 1-9, with 9 being catastrophic. Which of these would cause large amounts of harm?

Accepted Answer

Haiti&#x27;s 2010 earthquake, measuring a 7.0 magnitude, a 9.0 earthquake off the coast of Japan, a 1906 quake in California, measuring an estimated 7.9 magnitude

Plate Tectonics

Questions 8

Plate Tectonics

Questions 8