Q.1
Plastic is a good thermal insulator. Where would you see plastic used?
  • For the base (bottom) of a skillet
  • For the inside of a cooker
  • For the handle of an electric kettle
  • For the base of an iron
Q.2
If you put frozen ice cream into a metal bowl, what would happen?
  • Warmth would travel from the bowl to the ice cream
  • Warmth would travel from the ice cream to the bowl
  • Cold would travel from the bowl to the ice cream
  • Cold would travel from the ice cream to the bowl
Q.3
What do we call a material which does not allow heat to transfer easily?
  • A thermal insulator
  • A thermal conductor
  • An electrical insulator
  • An electrical conductor
Q.4
Why do stainless steel pots often have wooden handles?
  • Wood is a good thermal conductor
  • Wood is a good thermal insulator
  • Wood is a good electrical insulator
  • It is not possible to make handles out of steel
Q.5
What would be a disadvantage of stirring a boiling pot with a metal spoon?
  • Cold would travel from your hand to the boiling pot
  • Heat would travel from the boiling pot to your hand
  • Metal spoons don't make enough noise while you're stirring
  • Metal spoons don't stir very well
Q.6
Which of these materials is a better thermal conductor than the others?
  • Brick
  • Aluminium
  • Wood
  • Paper
Q.7
Which of the following would best protect ice cream from melting?
  • A metal bowl with a lid
  • A plastic cup
  • An ice cream cone
  • A thermos bottle
Q.8
Which of these materials would be a better thermal insulator than the others?
  • Gold
  • Steel
  • Copper
  • Wool
Q.9
What do we call a material which can transfer heat easily?
  • A thermal insulator
  • A thermal conductor
  • An electrical insulator
  • An electrical conductor
Q.10
Why should oven mitts be made from materials which are good thermal insulators?
  • Oven mitts made from good thermal insulators will be more comfortable
  • Oven mitts made from good thermal insulators will keep the food hot
  • Oven mitts made from good thermal insulators will protect hands from being burned
  • Good thermal insulators will keep the oven hot
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