Want to see correct answers?
Login or join for free!

Search Results for convection - All Grades

210 questions match "convection". Refine Your Search

Select questions to add to a test using the checkbox above each question. Remember to click the add selected questions to a test button before moving to another page.

1 2 3 4 ... 11
Grade 8 Heat Transfer
What is convection?
  1. Transfer of heat by the movement of currents within a fluid
  2. Transfer of heat from one particle to another without the movement of matter
  3. The transfer of energy by electromagnetic waves
  4. A conductor
  5. An insulator
Grade 7 Earth's Layers
Convection current is
  1. transfer of heat energy in a fluid
  2. movement of material caused by differences in temperature
  3. direct transfer of heat energy from one substance to another
Grade 9 Heat Transfer
Grade 6 Heat Transfer
Grade 7 Culinary Arts
A convection oven                                              .
  1. cooks faster than a microwave oven.
  2. cook exactly the same as a conventional oven.
  3. is the only part of a range.
  4. uses a fan to help circulate the heat.
Grade 6 Heat Transfer
Grade 6 Heat Transfer
Convection takes place in
  1. solids only
  2. gases only
  3. liquids only
  4. gases and liquids
Grade 6 Atmosphere
When convection occurs in the atmosphere...
  1. Cold air rises and warm air sinks
  2. Warm air rises, cold air sinks
  3. Warm air rises and cold air rises
  4. Both cold and warm air sink
Grade 6 Earth's Layers
What heats the material in a convection current?
  1. the sun
  2. the core
  3. radioactive materials
  4. the moon
Grade 9 Heat Transfer
Convection will most likely occur through
  1. solids and liquids
  2. gasses only
  3. liquids and gases
Grade 9 Heat Transfer
Grade 10 Waves and Sound
1 2 3 4 ... 11
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.