AnswersGA-GSE Earth Systems BClimate Change

Lab: Thermal Energy Transfer Answers

0 verified answers
1
Free Preview

Mintu wants to increase the heat transfer between a metal iron and another piece of metal he wants to shape. He decides to increase the time the two metals are in contact, use a larger metal iron, and use a new metal material with a higher specific heat.

A
Mintu should have decreased the size of the metal iron.
B
Mintu should have decreased the time he touches the two metals.
C
Mintu should have chosen a material with a lower specific heat.
D
Mintu should have chosen a material the same temperature as the iron.
2
Free Preview

Which substance is most likely to heat up the fastest?

A
water (specific heat of 4.19 J/g • C°)
B
copper (specific heat of 0.39 J/g • C°)
C
aluminum (specific heat of 0.90 J/g • C°)
D
dry air (specific heat of 1.01 J/g • C°)
3

A burner on a stove produces

A
temperature.
B
thermal energy.
C
hotness.
D
fire energy.
4

Which substance has the most thermal energy and will have the most heat flow from it?

A
a stovetop burner on medium (200°C)
B
a nuclear reactor core (1000°C)
C
the human body (36°C)
D
air at room temperature (32°C)
5

Ixchelt burns her tongue when she takes a sip of hot coffee from her mug. Which part of this example represents heat?

A
the thermal energy moving from the coffee to her tongue
B
the thermal energy moving from her tongue to the coffee
C
her coffee
D
her tongue
6

Which direction does heat flow from?

A
hot to cold
B
cold to hot
C
hot to hot
D
cold to cold
7

Which best describes the direction of heat?

A
from a substance with no thermal energy to a substance with high amounts of thermal energy
B
from a substance with less thermal energy to a substance with more thermal energy
C
from a cooler substance to a warmer substance
D
from a warmer substance to a cooler substance
8

Heat is most closely related to which kind of energy?

A
nuclear
B
electrical
C
thermal
D
chemical
9

What must be true about two objects if heat is flowing between them?

A
The objects must be different temperatures.
B
The objects must be the same temperature.
C
The objects must both be over room temperature.
D
The objects must both be under room temperature.
10

This chart lists four examples of two objects that are in contact.Which statement accurately describes the flow of heat in each example?

Question illustration
A
Heat will flow from Object 1 to Object 2 in examples 2 and 4, and heat will flow from Object 2 to Object 1 in examples 1 and 3.
B
Heat will flow from Object 1 to Object 2 in examples 1 and 3, and heat will flow from Object 2 to Object 1 in examples 2 and 4.
C
Heat will flow from Object 1 to Object 2 in Example 3, and heat will flow from Object 2 to Object 1 in examples 1, 2, and 4.
D
Heat will flow from Object 1 to Object 2 in examples 1, 2, and 4, and heat will flow from Object 2 to Object 1 in Example 3.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Climate Change

Quiz
9 verified answers

Climate Change

Quiz
4 verified answers

Climate Change