Answers2026-2027 TPS Earth Science w Mrs. NitollamaLab: Plate Boundaries and Movement

Lab: Plate Boundaries and Movement — Unit test Answers

0 verified answers
1
Free Preview

Which statement best explains why Earth’s outer core is in liquid form?

A
The iron-nickel alloy melts due to hot temperatures.
B
The outer core has a tarry consistency.
C
This region is less dense when compared to the mantle.
D
This region is under extreme pressure from the weight of other layers.
2
Free Preview

Which coal field location is related to coal fields in the United States and supports the theory of continental drift?

A
India
B
Africa
C
Australia
D
Europe
3

Which continents contain folded mountains that match up to form one continuous mountain chain, serving as evidence that they once belonged to one landmass called Pangaea?

A
Antarctica and Africa
B
Africa and North America
C
South America and Africa
D
Eurasia and South America
4

How long ago do scientists believe the continents formed Pangaea?

A
about 135 million years ago
B
about 180 million years ago
C
about 300 million years ago
D
about 4.5 billion years ago
5

Why do scientists study seismographs?

A
to learn about different rock samples
B
to determine the location of an epicenter
C
to analyze mineral content from Earth’s crust
D
to observe temperature changes on Earth’s surface
6

Which example is indirect evidence used to study Earth’s interior?

A
composition of minerals in a rock
B
age of a rock from within Earth
C
location of an earthquake’s epicenter
D
texture of different core samples
7

What happened to the giant landmass that Wegener described?

A
The pieces remained the same shape over time.
B
The pieces moved quickly to their current locations.
C
The pieces moved toward one another and created mountains.
D
The pieces broke apart and drifted away from one another over time.
8

The table shows the thickness, top density, and bottom density of the different layers of the Earth. Thickness (km)Density (g/cm3)Types of Rock FoundTopBottomCrust302.22.9Silicic rocksUpper mantle7203.44.4PeridotiteLower mantle2,1714.45.6Magnesium and silicon oxidesOuter core2,2599.912.2Iron+oxygenInner core1,22112.813.1Iron+oxygen

A
As depth increases, the density of the layers increases.
B
As depth increases, the density of the layers decreases.
C
As depth increases, the thickness of the layers increases.
D
As depth increases, the thickness of the layers decreases.

Did you find these answers helpful?

More from this Course

Quiz
15 verified answers

Unit Test

Quiz
15 verified answers

Unit Test

Assignment
14 verified answers

Lab: Plate Boundaries and Movement