Heat and temperature - Expansions and Contractions

Which beaker, X or Y, was the water at 5°C added to?

Which material is R most likely to be?

Which one of the following is/are source(s) of heat?

Read the temperature on this thermometer.

• 32°C

• 35°C

• 39°C

• 41°C

The metal plate ______________(lost / gained) heat to the ice cube and _____________ (contracted / expanded).

• gained, expanded

• gained, contracted

• lost, expanded

• lost, contracted

Which statement is correct?

• Block Q gained heat and expanded.

• Block Q gained heat and contracted.

• Block Q lost heat and expanded.

• Block Q lost heat and contracted.

Why are there gaps on the pavement?

• The gaps allow the concrete to contract without cracking on a cold day.

• The gaps allow the concrete to expand without cracking on a hot day.

Which cup contains more heat?

• Cup B

• Cup C

Which statement is correct?

• Block P gained heat and expanded.

• Block P gained heat and contracted.

• Block P lost heat and expanded.

• Block P lost heat and contracted.

When the metal ball is placed in a bowl of ice, ______________.

• the metal ball gained heat and expanded

• the metal ball gained heat and contracted

• the metal ball lost heat and contracted

• the metal ball lost heat and expanded