Question

Question 1 (3 points)


Which of these is part of the lithosphere?



Question 1 options:


inner core



outer core



all of the mantle



crust and outer part of the mantle

4.20 Unit Test: Plate Tectonics, Part 1 Pool 2
Question 2 (3 points)
Which word best describes the hot, weak, inner part of the upper mantle, which can flow?

Question 2 options:

asthenosphere


lithosphere


crust


core

4.20 Unit Test: Plate Tectonics, Part 1 Pool 3
Question 3 (3 points)
What evidence did Wegener make use of to develop the theory of continental drift?

Question 3 options:

Mountains in North America appear to be part of the same chain of mountains as those in Northern Europe.


The climate of Siberia has always been the same.

The Rocky Mountains are taller than the Appalachian Mountains.

There is no evidence of glaciers anywhere in South America.
4.20 Unit Test: Plate Tectonics, Part 1 Pool 4
Question 4 (3 points)
Alfred Wegener's theory about Earth's past included a supercontinent made up of all the continents put together. What was the name of the supercontinent?

Question 4 options:

Gondwanaland


Pangaea


Laurasia


Americas

4.20 Unit Test: Plate Tectonics, Part 1 Pool 5
Question 5 (3 points)
Which term is described as a shelf of undersea land reaching a depth of about 200 meters (656 feet) and extending out from the shoreline?

Question 5 options:

continental shelf


abyssal plains


deep-sea trenches


guyots

Question 6 (3 points)
Which term is described as a long, narrow depression in the ocean floor?

Question 6 options:

continental shelf


abyssal plains


deep-sea trenches


guyots

4.20 Unit Test: Plate Tectonics, Part 1 Pool 6
Question 7 (3 points)
Which two forces do scientists believe are responsible for tectonic plate motion?

Question 7 options:

gravity acting on the edges of plates and friction between the plate and the asthenosphere


friction between the plate and the asthenosphere and pressure of magma on the edge of the plate


gravity acting on the edges of plates and convection in the mantle


convection in the mantle and pressure of magma on the edge of the plate

4.20 Unit Test: Plate Tectonics, Part 1 Pool 7
Question 8 (3 points)
What are the main causes of convection currents in the asthenosphere?
Question 8 options:

density and temperature

temperature and pressure

density and weight

weight and pressure
4.20 Unit Test: Plate Tectonics, Part 1 Pool 8
Question 9 (3 points)
What happens at a convergent boundary?
Question 9 options:

Mountains form as lithospheric plates move side by side past each other.


Earthquakes occur as lithospheric plates move away from each other.

Magnetism occurs as lithospheric plates are attracted toward each other by gravity.

Collisions occur as lithospheric plates move toward each other.
Question 10 (3 points)
According to the theory of plate tectonics, how do two plates interact to form Earth's largest mountain ranges?

Question 10 options:

create new plates


collide


scrape past each other


move apart

Answers

GPT-4o mini
Here are the answers to your questions:

**Question 1:** Which of these is part of the lithosphere?
**Answer:** crust and outer part of the mantle

---

**Question 2:** Which word best describes the hot, weak, inner part of the upper mantle, which can flow?
**Answer:** asthenosphere

---

**Question 3:** What evidence did Wegener make use of to develop the theory of continental drift?
**Answer:** Mountains in North America appear to be part of the same chain of mountains as those in Northern Europe.

---

**Question 4:** Alfred Wegener's theory about Earth's past included a supercontinent made up of all the continents put together. What was the name of the supercontinent?
**Answer:** Pangaea

---

**Question 5:** Which term is described as a shelf of undersea land reaching a depth of about 200 meters (656 feet) and extending out from the shoreline?
**Answer:** continental shelf

---

**Question 6:** Which term is described as a long, narrow depression in the ocean floor?
**Answer:** deep-sea trenches

---

**Question 7:** Which two forces do scientists believe are responsible for tectonic plate motion?
**Answer:** gravity acting on the edges of plates and convection in the mantle

---

**Question 8:** What are the main causes of convection currents in the asthenosphere?
**Answer:** density and temperature

---

**Question 9:** What happens at a convergent boundary?
**Answer:** Collisions occur as lithospheric plates move toward each other.

---

**Question 10:** According to the theory of plate tectonics, how do two plates interact to form Earth's largest mountain ranges?
**Answer:** collide

---

Feel free to ask if you have any more questions!