AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022Lab: Thermal Energy Transfer

Lab: Thermal Energy Transfer — Cumulative exam Answers

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How does coal differ from pine trees as a source of energy?

A
Coal can be replaced easily, while pine trees are difficult to replace.
B
Coal is a nonrenewable resource, while pine trees are a renewable resource.
C
Coal is a clean source of energy, while pine trees cause environmental damage.
D
Coal is an expensive source of energy, while pine trees are an inexpensive source of energy.
2
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A flashlight uses the chemical energy stored in a battery. This chemical energy is eventually converted into which two forms of energy?

A
mechanical and nuclear
B
radiant and thermal
C
thermal and mechanical
D
nuclear and electrical
3

Which statement provides the complete explanation of how renewable and nonrenewable resources differ?

A
They differ in the amount they are found in nature.
B
They differ in the rate they are replaced.
C
They differ in the available amount and rate they are used and replaced.
D
They differ in the rate they are used.
4

The image shows isotherms on a map.What temperature pattern do the isotherms show?

Question illustration
A
Temperatures increase from south to north.
B
There is a zone of low temperatures in the Southwest.
C
There is a zone of high temperatures in the center of the country.
D
Temperatures increase from the center of the country toward the Southeast.
5

Study these images.

Question illustration
A
1
B
2
C
3
D
4
6

On a test, Helena is defining energy. Which must she include in order to get her answer marked correct?

A
making objects more compact
B
the ability to do work
C
carrying through matter and space
D
the bonds of atoms
7

Which causes an increase in greenhouse gases?

A
change in wind patterns
B
strengthening of hurricanes
C
burning of wood and coal
D
movement of warm ocean waters
8

Meteorology is the study of

A
radar.
B
meteors.
C
Earth’s satellites.
D
Earth’s atmosphere.
9

How do changes in wind currents affect the short-term climate in a region?

A
Prevailing winds can cause a milder climate with heavy rain.
B
Global winds can cause a longer summer.
C
Prevailing winds can cause heavy rains or a dry climate.
D
Global winds can cause a longer winter.
10

Which effect is most likely from a hurricane?

A
damaged homes due to flooding
B
forest fires due to lightning strikes
C
cars sucked in due to a low-pressure center
D
damaged personal property due to hail
11

Zac releases the air from a balloon. Which statement best describes what will happen to the air that was inside the balloon?

A
It will become more compacted.
B
It will remain the shape of the balloon but not the size.
C
It will remain the size of the balloon but not the shape.
D
It will expand to fill the room.
12

What is the importance of having the US Forest Service, the Bureau of Land Management, the US Fish and Wildlife Service, and the National Park Service?

A
to manage land resources for conservation and the development of natural resources
B
to manage land resources for conservation and the development of urban areas
C
to preserve historical landmarks and manage the development of urban areas
D
to preserve historical landmarks and manage the development of rural areas
13

Which best explains why a black T-shirt gets warmer in the Sun than a white T-shirt?

A
Darker colors reflect more energy from colliding particles than lighter colors do.
B
Darker colors absorb more energy from colliding particles than lighter colors do.
C
Darker colors reflect more energy from electromagnetic waves than lighter colors do.
D
Darker colors absorb more energy from electromagnetic waves than lighter colors do.
14

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.
15

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.
16

What happens when the Sun emits more energy than normal?

A
Solar flares and sunspots occur, increasing Earth’s temperature.
B
Sunspots and volcanic eruptions occur, increasing Earth’s temperature.
C
Volcanic eruptions and movement of continents occur, decreasing Earth’s temperature.
D
Movement of continents and solar flares occurs, decreasing Earth’s temperature.
17

What is the kinetic energy of a toy truck with a mass of 0.75 kg and a velocity of 4 m/s? (Formula: )

Question illustration
A
3 J
B
6 J
C
12 J
D
24 J
18

Which best explains why Greg’s hands get warm as he holds a bowl of hot soup?

A
Heat energy is created from the thermal energy in Greg’s hands.
B
Heat energy is absorbed by the soup from Greg’s hands.
C
Thermal energy from the soup moves to Greg’s hands.
D
Thermal energy from the surrounding air moves to Greg’s hands.
19

Which is the best example of the law of conservation of energy?

A
A basketball stops bouncing because its energy disappears.
B
A rolling skateboard slows down because some of its kinetic energy changes to heat.
C
A falling book hits the ground and all of its energy is destroyed.
D
A toy car gains speed as it moves down a ramp because the ramp creates energy.
20

What is the potential energy of a 25 kg bicycle resting at the top of a hill 3 m high? (Formula: PE = mgh)

A
75 J
B
735 J
C
245 J
D
37.8 J

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