The Ultimate Physics Practice Test For Students! Quiz

20 Questions | By Sarringhaus | Updated: Mar 20, 2022 | Attempts: 438

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The Ultimate Physics Practice Test For Students! Quiz - Quiz

Questions and Answers

1.

Wrapping a hot potato in aluminum foil significantly reduces the rate at which it cools by
- A.
  
  Conduction
- B.
  
  Condensation
- C.
  
  Evaporation
- D.
  
  Melting
2.

The molecules in a room-temperature glass of water jostle around at
- A.
  
  A great variety of speeds
- B.
  
  Much the same rates of speed
- C.
  
  A very small range of speeds
3.

Evaporation is a cooling process and condensation is
- A.
  
  A warming process
- B.
  
  A cooling process also
- C.
  
  Neither a warming nor cooling process
4.

Evaporation is a cooling process because
- A.
  
  Heat is radiated during the process
- B.
  
  Of conduction and convection
- C.
  
  The more energetic molecules are able to escape the liquid
- D.
  
  The temperature of the remaining liquid decreases
5.

To say that evaporation is a cooling process is to say that the
- A.
  
  More energetic particles escape
- B.
  
  More energetic particles remain in the water
- C.
  
  The less energetic particles escape
6.

A hot dog pants
- A.
  
  To help evaporation occur in its mouth and bronchial tract
- B.
  
  To bring more oxygen into its lungs
- C.
  
  For no particular reason - some things just happen
- D.
  
  To impress dogs of the opposite sex
7.

Steam burns are more damaging than burns caused by boiling water because steam
- A.
  
  Gives up additional energy when it condenses
- B.
  
  Has more energy per kilogram than boiling water
- C.
  
  Choices A and B are both correct
- D.
  
  Choices B and C are both incorrect
8.

We feel uncomfortably warm on a muggy day because water molecules are
- A.
  
  Evaporating from our moist bodies
- B.
  
  Condensing on our bodies
- C.
  
  Evaporating and condensing on our bodies at the same rate
9.

We are warmed by condensation because water molecules in the air that strike our bodies
- A.
  
  Transfer some of their kinetic energy to us
- B.
  
  Gain kinetic energy as they change state
- C.
  
  Form an insulating layer on our bodies
10.

When a gas is changed to a liquid state, the gas
- A.
  
  Releases energy
- B.
  
  Absorbs energy
- C.
  
  Neither releases nor absorbs energy
- D.
  
  Both releases and absorbs energy
11.

When a solid is changed to a liquid state, the solid
- A.
  
  Releases energy
- B.
  
  Absorbs energy
- C.
  
  Neither releases nor absorbs energy
- D.
  
  Both releases and absorbs energy
12.

When liquids change to a solid state, they
- A.
  
  Absorb energy
- B.
  
  Release energy
- C.
  
  Neither absorb nor release energy
- D.
  
  Both absorb and release energy
13.

Which could burn a boy scout the most?
- A.
  
  100 g of water at 100 degrees C
- B.
  
  100 g of steam at 100 degrees C
- C.
  
  Both would be equally damaging
14.

When heat is added to boiling water, its temperature
- A.
  
  Increases.
- B.
  
  Decreases.
- C.
  
  Does not change.
15.

Boiling water does not increase in temperature when additional heat is applied because
- A.
  
  The temperature doesn't change in a change of state
- B.
  
  Added input energy doesn't increase the water's internal energy
- C.
  
  The increased heating produces increased boiling, and therefore increased cooling
- D.
  
  None of these
16.

For increased atmospheric pressure, the boiling temperature of a liquid
- A.
  
  Goes down
- B.
  
  Goes up
- C.
  
  Remains at 100 degrees C
17.

Increased air pressure on the surface of hot water tends to
- A.
  
  Prevent boiling
- B.
  
  Promote boiling
- C.
  
  Neither choice A nor choice B is true
- D.
  
  Choice A and choice B are both true
18.

Near the top of a mountain, water in an open pot boils at
- A.
  
  A higher temperature than at sea level
- B.
  
  A lower temperature than at sea level
- C.
  
  The same temperature as at sea level
- D.
  
  None of the above choices are true
19.

The food in a refrigerator is cooled by
- A.
  
  Vaporization of the refrigerating fluid
- B.
  
  Condensation of the refrigerating fluid
- C.
  
  The ice in your nearby freezer
20.

You can briefly touch a hot clothes iron with a bare wet finger because the wetness
- A.
  
  Choices C and D are both true
- B.
  
  Only Choice C is true
- C.
  
  Absorbs energy in vaporizing
- D.
  
  Provides an insulating layer after it changes state