Log in
Sign up for FREE
arrow_back
Library

3.12 Unit 3 Test x

star
star
star
star
star
Last updated about 2 hours ago
18 questions
Required
3
HS-ESS2-5
Required
2
HS-ESS2-5
Required
2
HS-ESS2-5
Required
4
HS-ESS3-1
Required
2
HS-ESS3-1
HS-ESS3-4
Required
2
HS-ESS3-1
Required
6
HS-ESS3-1
HS-ESS3-4
Required
2
HS-ESS3-1
Required
6
HS-ESS2-5
Required
2
Required
2
HS-ESS2-5
Required
2
HS-ESS1-6
HS-ESS2-1
Required
2
HS-ESS1-6
HS-ESS2-1
Required
2
HS-ESS1-6
HS-ESS2-1
Required
2
HS-ESS1-6
HS-ESS2-1
Required
2
HS-ESS1-6
HS-ESS2-1
Required
2
HS-ESS1-6
HS-ESS2-1
Required
5
HS-ESS1-6
HS-ESS2-1
Question 1
1.

List the three rock types formed on Earth.

Question 2
2.

Question 3
3.

Question 4
4.

After a mine closes, laws require that reclamation efforts be made to return the environment to a more natural state.

Why is this important in terms of erosion? What might be the result if the land is not reclaimed?

Question 5
5.

Question 6
6.

Question 7
7.

Give one example for water causing erosion and one example of water causing weathering.

Question 8
8.

Question 9
9.

What is the difference between mechanical weathering and chemical weathering?

Question 10
10.
Acid rain discoloring and disfiguring limestone is an example of __________. The cracking of rock caused by the freezing and thawing of water is an example of __________.
Question 11
11.

Question 12
12.

Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

A year is divided into months, weeks, and days. What are some time divisions (units) that are used for the geologic time scale? Give at least 2 examples.

Question 18
18.

How does a rock change into a metamorphic rock?
Evaporation
Cooling of magma
Heat and pressure
Sedimentation
How do igneous rocks form?
Heat and pressure
Cooling of molten lava or magma
Evaporation of seawater
Compaction and cementation of sediment
Is this statement true or false?

Mining companies must restore the land that they use, especially in open pit mining. Mining companies may also have to clean up the water and replace the solid that is being moved.
True
False
Inappropriate land use, such as removing vegetation from hillsides, may contribute to which of the following?
Increase in erosion
Decrease in amount of toxins in the soil
Decrease in water runoff
Increase in weathering of the landscape
Air, water, and ice can break rocks into tiny fragments. Which of the following best describes this process?
Melting
Erosion
Weathering
Uplift
Which process changes a metamorphic rock to a sedimentary rock?
Applying extreme pressure
Weathering
Melting
Heating
Is this statement true or false?

Uniformitarianism is the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth.
True
False
Is this statement true or false?

The fossil record provides evidence of past life as well as clues to the past climate, environment, and abiotic (physical) factors in an area.
True
False
Which of the following is the primary technique for determining the absolute age of a rock?
Measuring radioactive decay of element isotopes.
Comparing the rock to other geologic features.
Measuring the dimensions of the rock.
Comparing the rock to similar rocks and noting the differences.
Which of the following could be used to interpret the geologic history of a location?
Animal habitats
Plant life
Human settlements
Rock layers
A scientist is interested in comparing the age of a rock with other rocks. By doing this, the scientist is determining __________.
the relative age of the rock
the absolute age of the rock
the level of radioactive isotope decay in the rock
the date the rock was formed
The diagram below represents a cross section of the Earth's crust showing rock units and a fault. The rock layers are not overturned.

Which rock unit is the youngest?
Shale
Basalt
Sandstone
Limestone