Heat and temperature

Worksheet: Heat and temperature

Name:Class:

Answer the questions.

1. Which unit do we use to measure temperature in science class?
   a) Degrees Celsiusb) Kilogramsc) Litresd) Metres
2. Which temperature is the warmest?
   a) 0 °Cb) 12 °Cc) 30 °Cd) 5 °C
3. A temperature of 35 °C is hotter than a temperature of 20 °C.
   a) Trueb) False
4. Which tool do we use to measure temperature?
   a) A balanceb) A rulerc) A stopwatchd) A thermometer
5. In a liquid thermometer, what happens to the liquid when it gets warmer?
   a) It drops down the tubeb) It rises up the tubec) It stays at the bottomd) It turns to ice
6. What do we call a material that lets heat travel through it easily?
7. Which material is the best thermal insulator?
   a) Aluminiumb) Copperc) Irond) Wool
8. A metal spoon left in hot soup gets hot faster than a wooden spoon.
   a) Trueb) False
9. At what temperature does pure water freeze or ice melt?
   a) 0 °Cb) 10 °Cc) 100 °Cd) 50 °C
10. At what temperature does pure water boil, in degrees Celsius?
11. What happens to ice cubes left in a warm room?
    a) They boilb) They get colder and biggerc) They melt into waterd) They turn to metal
12. Water boils at 50 °C.
    a) Trueb) False
13. Why does a woolly hat keep your head warm?
    a) It lets heat escape fastb) It makes heat for youc) It pulls cold ind) It slows heat leaving your body
14. Which is best for keeping a hot drink hot for longer?
    a) A lidded insulated flaskb) A thin glass cupc) An open metal cupd) An open plastic dish
15. Name one way to keep a cold drink cold on a hot day.
16. How does a cool bag help keep food cold?
    a) It lets heat in quicklyb) It makes cold from the airc) It pushes the food's cold outd) It slows heat getting in from outside