AnswersTX-Integrated Physics and Chemistry BCumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Which best explains why aluminum is a nonrenewable resource?

A
It cannot be quickly replaced.
B
It is expensive to process.
C
It conducts electricity.
D
It is useful to humans.
2
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Based on the concept of the global conveyor belt, what happens to ocean water as it moves from Antarctica to the equator?

A
It transfers thermal energy to deeper layers of the ocean.
B
It becomes less dense and rises to the surface.
C
It transfers thermal energy to the area, warming the equatorial waters.
D
It becomes more dense and sinks to the ocean bottom.
3

Which best describes a difference between electric current and static electricity?

A
Electric current is continuous, and static electricity is not continuous.
B
Static electricity is continuous, and electric current is not continuous.
C
Electric current involves the movement of electrons, and static electricity involves the movement of protons.
D
Static electricity involves the movement of electrons, and electric current involves the movement of protons.
4

Carla draws two circuit diagrams that connect the same components in different ways, as shown.

Question illustration
A
The total resistance in Circuit A is greater than that in Circuit B.
B
When a bulb in Circuit A goes out, the other bulbs keep shining.
C
The bulbs in Circuit A shine brighter than those in Circuit B.
D
When a bulb in Circuit B goes out, the other bulbs go out.
5

The thermal energy in a hot iron flows into a shirt. What can possibly be said about this situation?

A
The iron is warmer than the shirt.
B
The iron has less energy than the shirt.
C
The iron is 92°C and the shirt is 96°C.
D
The iron has less heat than the shirt.
6

Plants appear green because they do not absorb the green wavelengths of light. What happens to those green light waves when they hit a plant?

A
They are diffracted.
B
They are absorbed.
C
They are reflected.
D
They are refracted.
7

Which change will decrease the electric force between two positively charged objects?

A
moving them closer together
B
moving them farther apart
C
adding neutrons
D
removing electrons
8

Which of these actions would decrease heat transfer between two objects?

A
increasing the temperature of the warmer object
B
increasing the area of their contact
C
reducing the thermal energy of the cooler object
D
reducing the time of their contact
9

Marcus plucks at an outstretched coil and observes the following wave motion. What is the motion of the particles in this kind of wave?

Question illustration
A
The particles will move up and down over large areas.
B
The particles will move up and down over small areas.
C
The particles will move side to side over small areas.
D
The particles will move side to side over large areas.
10

Which is an example of a renewable energy source?

A
Option
B
Option
C
Option
D
Option
11

Which best compares radiation and conduction?

A
Both transfer thermal energy from warm objects to cooler objects.
B
Both can transfer energy through empty space.
C
Both transfer thermal energy by electromagnetic waves.
D
Both involve the transfer of energy through direct contact.
12

Which reaction takes place in a nuclear fission reactor?

A
Superscript 13 subscript 6 upper C plus superscript 1 subscript 1 upper H right arrow superscript 14 subscript 7 upper N.
Option A
B
Superscript 239 subscript 94 upper P u plus superscript 4 subscript 2 upper H e right arrow superscript 242 subscript 96 upper C m.
Option B
C
Superscript 59 subscript 27 upper C o plus superscript 4 subscript 2 upper H e right arrow superscript 60 subscript 27 upper C o plus superscript 1 subscript 0 n.
Option C
D
Superscript 235 subscript 90 upper U plus superscript 1 subscript 0 n right arrow superscript 94 subscript 36 upper K r plus superscript 139 subscript 56 upper B a plus 3 superscript 1 subscript 0 n.
Option D
13

Theresa comes up with four examples of waves: sound wave, ocean wave, light wave, and hand wave. Which of Theresa's examples is not an actual scientific wave?

A
Sound wave
B
Ocean wave
C
Light wave
D
Hand wave
14

Jerimiah is studying Wave A and Wave B. Wave A is traveling at 3 hertz, and Wave B is traveling at 1.2 hertz.

A
Refraction would occur.
B
Interference would occur.
C
The resulting wave would travel at 4.2 hertz.
D
The crest of Wave A would overlap the trough of Wave B.
15

A magnet placed against the wall of a metal shed falls to the ground, where it attracts a nail. What is the most likely explanation for this observation?

A
The wall is the opposite pole from the magnet.
B
The shed is not made of iron or steel.
C
The magnet is not magnetized.
D
The nail pulled the magnet to the ground.
16

In an area of the deep ocean, hot magma emerges from a crack in Earth’s crust. Which statement describes what will happen to the seawater above the crack as a result of convection?

A
Water molecules will break apart and flow in a circular pattern.
B
Water molecules will bond together and rise upward.
C
The water will become more dense and sink downward.
D
The water will become less dense and rise upward.
17

Two objects are held close together. When they are released, they move toward one another. Which conclusion is supported by this evidence?

A
The objects are both positively charged.
B
The objects are both negatively charged.
C
The objects have no charge.
D
The objects have opposite charges.
18

Penelope sees that her brother Angelos is using water carelessly. She warns Angelos to be more careful because water is a renewable resource and can be used up since it takes millions of years to form. Angelos argues that water is a nonrenewable resource and cannot be used up since it can be replaced when it rains.

A
Penelope was correct when she said that water takes millions of years to form.
B
Penelope was correct when she said that water can be used up.
C
Angelos was correct when he said that water is a nonrenewable resource.
D
Angelos was correct when he said that water cannot be used up.
19

A circuit is a path along which electric current flows. How would changing the battery in a circuit from 9 volts to 1.5 volts most likely affect the circuit?

A
More electric charge would flow in the circuit.
B
Less electric charge would flow in the circuit.
C
The resistance in the circuit would decrease.
D
The resistance in the circuit would increase.
20

Briana builds a circuit that has a resistance of 8.0 . What voltage should she apply to have a current of 0.8 A?

Question illustration
A
0.10 V
B
6.4 V
C
7.2 V
D
10 V

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