AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022Conduction

Conduction Answers

8 verified answers1 views
1
Free Preview

Which demonstrates conduction?

A
a marshmallow held over a fire
B
ice cream melting in the sun
C
cool feet walking across a hot pavement
D
a bulb releasing light energy
2
Free Preview

How do the metal aluminum coils in an air conditioner help keep a house cool?

A
They insulate the house from outside thermal energy.
B
They conduct thermal energy from inside the house and release it outside the house.
C
They insulate the surrounding air from indoor thermal energy.
D
They conduct thermal energy from outside the house and release it inside the house.
3

What occurs when someone places an ice pack on an injured ankle?

A
Conduction causes the ice pack to lose thermal energy.
B
Conduction causes the ankle to gain thermal energy.
C
Cold from the ice pack is transferred to the ankle.
D
Heat from the ankle is transferred to the ice pack.
4

Alana drew diagrams to show how particles in a spoon move before and after the spoon is placed in hot liquid. Which best explains how to correct Alana’s error?

Question illustration
A
Make the particles in both diagrams larger.
B
Show more movement in the “Before” diagram.
C
Add more particles to the “After” diagram.
D
Switch the labels on the diagrams.
5

Which describes how fast-moving particles assist in transferring thermal energy to a cup after hot tea is poured into it?

A
They replace slow-moving particles.
B
They collide with slow-moving particles.
C
They collide with other fast-moving particles.
D
They are replaced by slow-moving particles.
6

Conduction can occur within a single substance, but parts of the substance must have which property?

A
different temperatures
B
different textures
C
different particle sizes
D
different colors
7

Keesha conducts an experiment by pouring equal amounts of boiling water into four containers. The containers are the same size and shape, but they are made of different materials. The chart lists the containers according to their materials.Using protective gloves, Keesha carefully touches each container immediately after pouring the water. Which container was likely the hottest?

Question illustration
A
W
B
X
C
Y
D
Z
8

How does a foam-filled winter coat help keep a person warm?

A
It slows down the transfer of thermal energy from outside to inside the coat.
B
It slows down the transfer of thermal energy from inside to outside the coat.
C
It speeds up the transfer of thermal energy from outside to inside the coat.
D
It speeds up the transfer of thermal energy from inside to outside the coat.
9

When Object 1 came into contact with Object 2, Object 2 got warmer. What can be concluded about the objects before they came into contact with each other?

A
Object 2 did not have thermal energy.
B
Object 1 had faster-moving particles.
C
Object 1 had less thermal energy.
D
Object 2 had fewer particles.
10

Which describes how fast-moving particles assist in transferring thermal energy to a cup after hot tea is poured into it?

A
They replace slow-moving particles.
B
They collide with slow-moving particles.
C
They collide with other fast-moving particles.
D
They are replaced by slow-moving particles.

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Conduction

Quiz
10 verified answers

Conduction

Quiz
10 verified answers

Conduction

Conduction Answers — PBCSD_Grade_Forgiveness_200…