Grade 4Sciencequiz16 questions

Heat and temperature

Grade 4: temperature in degrees Celsius, thermometers, thermal insulators and conductors, melting and boiling points of water, keeping things warm or cold.

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Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. Which unit do we use to measure temperature in science class?

    • Degrees Celsius
    • Kilograms
    • Litres
    • Metres
    Show answerDegrees Celsius

  2. Which temperature is the warmest?

    • 0 °C
    • 12 °C
    • 30 °C
    • 5 °C
    Show answer30 °C

  3. A temperature of 35 °C is hotter than a temperature of 20 °C. (True or false?)

    Show answerTrue

  4. Which tool do we use to measure temperature?

    • A balance
    • A ruler
    • A stopwatch
    • A thermometer
    Show answerA thermometer

  5. In a liquid thermometer, what happens to the liquid when it gets warmer?

    • It drops down the tube
    • It rises up the tube
    • It stays at the bottom
    • It turns to ice
    Show answerIt rises up the tube

  6. What do we call a material that lets heat travel through it easily? (Answer out loud)

    Show answerA thermal conductor

  7. Which material is the best thermal insulator?

    • Aluminium
    • Copper
    • Iron
    • Wool
    Show answerWool

  8. A metal spoon left in hot soup gets hot faster than a wooden spoon. (True or false?)

    Show answerTrue

  9. At what temperature does pure water freeze or ice melt?

    • 0 °C
    • 10 °C
    • 100 °C
    • 50 °C
    Show answer0 °C

  10. At what temperature does pure water boil, in degrees Celsius? (Answer out loud)

    Show answer100 °C

  11. What happens to ice cubes left in a warm room?

    • They boil
    • They get colder and bigger
    • They melt into water
    • They turn to metal
    Show answerThey melt into water

  12. Water boils at 50 °C. (True or false?)

    Show answerFalse

  13. Why does a woolly hat keep your head warm?

    • It lets heat escape fast
    • It makes heat for you
    • It pulls cold in
    • It slows heat leaving your body
    Show answerIt slows heat leaving your body

  14. Which is best for keeping a hot drink hot for longer?

    • A lidded insulated flask
    • A thin glass cup
    • An open metal cup
    • An open plastic dish
    Show answerA lidded insulated flask

  15. Name one way to keep a cold drink cold on a hot day. (Answer out loud)

    Show answerPut it in an insulated cooler bag or flask (with ice)

  16. How does a cool bag help keep food cold?

    • It lets heat in quickly
    • It makes cold from the air
    • It pushes the food's cold out
    • It slows heat getting in from outside
    Show answerIt slows heat getting in from outside

Play it as a game

Paper RaceEvery right answer moves your car. The team in last place gets a double boost.Three in a RowAnswer right to place your team sticker on a 3×3 board. Three in a row scores +5 and starts a new round.Line of FourAnswer right to drop a disc in any column. Four of your discs in a line score +5.Team BingoEvery team has a bingo card of answers. Each answer is called after its question. Three in a row: BINGO +5.

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