8K Energy Transfers

Quiz
•
Science, Physics
•
7th - 8th Grade
•
Hard

Sarah Wood
Used 143+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the units for measuring energy?
newtons
degrees Celsius
joules
degrees Fahrenheit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you leave a cup of hot tea standing in the kitchen for a whole day, what will happen?
No energy will be transferred
It will gain energy from the air in the kitchen
Energy will be transferred from the tea to the air until the tea is the same temperature as the air
Energy will be transferred from the tea to the air in the kitchen, so the tea will end up colder than the air in the kitchen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The amount of thermal energy in an object depends on three things. Which of these things does it not depend on?
its mass
its colour
its temperature
the material it is made from
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement about evaporation is not true?
When some of a liquid evaporates, the liquid left is warmer than before
Evaporation can happen at any temperature at which the substance is a liquid
When some of a liquid evaporates, it is the particles moving the fastest that escape and form a gas
Sweating cools us down when the sweat evaporates
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Infrared radiation can travel through:
transparent objects only
opaque objects only
empty space only
empty space and transparent materials
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When one end of a piece of metal is heated:
the particles vibrate less and so the particles get closer together
the particles vibrate more and the vibrations are passed from particle to particle
the energy does not move through the metal
the particles get bigger
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solids are better heat conductors than liquids or gases because:
the particles are closer together in gases
the particles are closer together in liquids
the particles are closer together in solids
the particles in a solid cannot move
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