8K Energy Transfers

8K Energy Transfers

7th - 8th Grade

20 Qs

quiz-placeholder

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8K Energy Transfers

8K Energy Transfers

Assessment

Quiz

Science, Physics

7th - 8th Grade

Practice Problem

Hard

Created by

Sarah Wood

Used 143+ times

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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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