Properties of Minerals — Cumulative exam Answers

10 verified answers2 views
21
Free Preview

Which is a characteristic of nuclear fission?

A
releases nonradioactive waste only
B
involves the collision of two nuclei
C
releases small amounts of energy compared to fossil fuels
D
involves the splitting of an atom into two or more fragments
23

What is the best prediction for what will happen when all of the hydrogen in the Sun has undergone fusion?

A
Helium nuclei will split to form hydrogen, and the Sun will no longer release energy.
B
Helium nuclei will split to form hydrogen, and the Sun will continue to release energy.
C
Helium nuclei will fuse to create heavier elements, but the Sun will no longer release energy.
D
Helium nuclei will fuse to create heavier elements, and the Sun will continue to release energy.
24

Which type of mountain is created when rock layers are pushed up by forces inside the Earth?a.Fault-blockc.Foldedb.Upwarpedd.Volcanic

A
A
B
B
C
C
D
D
25

Which statements describe the motion of a planet according to Kepler’s second law? Check all that apply.

A
The speed of a planet varies as it moves in its orbit.
B
The speed of a planet is constant as it moves in its orbit.
C
A planet travels the same distance along its orbit in equal units of time.
D
A planet sweeps out an equal area in equal units of time.
E
A planet’s orbit is a circle centered on the Sun.
F
A planet’s orbit is an ellipse with the Sun at one focus.
26

The three major types of faults are normal, reverse and syncline.

A
T
B
F
27

Earthquake energy travels through the earth via ___________.a.epicenterc.magnitudeb.focusd.seismic waves

A
A
B
B
C
C
D
D
28

The diagram shows the layers of the Sun.

Question illustration
A
Z: Gamma raysX: Visible light
B
X: Gamma raysZ: Visible light
C
Z: Gamma raysY: Visible light
D
Y: Gamma raysZ: Visible light
29

Please select the word from the list that best fits the definition

A
sea-floor spreading
B
continental drift
C
magnetic reversal
D
magnetic minerals
E
fossils
30

Which layer of the Earth is composed of iron and nickel, and has two main parts called the outer ___________ and the inner ___________ ?a.the mantlec.the crustb.the cored.the lithosphere

A
A
B
B
C
C
D
D
31

Please select the word from the list that best fits the definition

A
continental slope
B
mid-ocean ridge
C
abyssal plain
D
continental shelf
E
ocean trench
32

The idea that the continents were once one large land mass called Pangaea is part of the theory of continental drift.

A
T
B
F
33

____________ occurs when an energy source transfers heat directly to another object through space; an example would be an object becoming warm by sitting in the sunshine. a.conductionc.convectionb.radiationd.heat

A
A
B
B
C
C
D
D
34

Which shows the correct order of events after the big bang occurred?

A
strong force separated from the unified force, inflationary expansion occurred, quarks and electrons formed, electromagnetic and weak forces separated from the unified force, gravity separated from the unified force
B
electromagnetic and weak forces separated from the unified force, gravity separated from the unified force, strong force separated from the unified force, inflationary expansion occurred, quarks and electrons formed
C
gravity separated from the unified force, strong force separated from the unified force, inflationary expansion occurred, electromagnetic and weak forces separated from the unified force, quarks and electrons formed
D
quarks and electrons formed, electromagnetic and weak forces separated from the unified force, inflationary expansion occurred, strong force separated from the unified force, gravity separated from the unified force
35

The acceleration due to gravity on Earth is 9.8 m/s2. What is the weight of a 75 kg person on Earth?

A
9.8 N
B
75 N
C
85 N
D
735 N
36

When comparing dogs to wolves, scientists found evidence that supports the idea they come from a common ancestor. Which combination of evidence would most strongly support this idea?

A
comparable anatomies, fossils, and behavior
B
different anatomies, similar development, and different DNA
C
comparable anatomies, similar development, and similar DNA
D
different anatomies, fossils, and behavior
37

The gravitational force between two objects is 1600 N. What will be the gravitational force between the objects if the distance between them doubles?

A
400 N
B
800 N
C
3200 N
D
6400 N
38

Scientists have detected an asteroid that is 700,000,000 km from Earth. About how many astronomical units is that?

A
0.5 AU
B
1 AU
C
3.5 AU
D
4.5 AU
39

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
40

Which statement is part of Dalton's atomic theory?

A
Matter is composed of small particles called atoms.
B
Atoms can be divided into their subatomic particles.
C
Atoms are able to be seen with proper spectroscopy equipment.
D
Chemical reactions can change atoms from one type to another.

Did you find these answers helpful?