Science 8 · Unit 5: Materials and cycles on Earth · Cambridge Lower Secondary Science Stage 8

Questions

1. 1. What is the difference between weather and climate?

   • Weather is day-to-day; climate is the average over many years.
   • They are the same.
   • Weather is a 30-year average.
   • Climate changes every hour.
   Check

2. 2. What is humidity?

   • rain falling from clouds
   • how hot it is
   • how much water vapour there is in the air
   • how far you can see
   Check

3. 3. What is precipitation?

   • the study of weather
   • how far you can see
   • rain, hail or snow falling from clouds
   • water vapour in the air
   Check

4. 4. What is visibility?

   • how much it rains
   • how hot it is
   • how far you can see
   • how windy it is
   Check

5. 5. What is meteorology?

   • the study of meteors only
   • the study of rocks
   • the study of oceans
   • the study of weather
   Check

6. 6. What is the atmosphere?

   • the Earth's core
   • the layer of gas around the Earth
   • the clouds only
   • the ocean
   Check

7. 7. What is the climate like in the tropical zone?

   • frozen
   • cold all year
   • hot all year, often with heavy rainfall
   • four very different seasons
   Check

8. 8. Where is the polar zone?

   • near the North and South Poles
   • in the middle of continents only
   • near the Equator
   • in deserts only
   Check

9. 9. Which climate zone is Iceland in?

   • tropical
   • equatorial
   • a cold temperate zone near the Arctic
   • desert
   Check

10. 10. Why does the Sun set only briefly in Iceland in July?

    • Iceland is near the Equator.
    • Iceland has no night ever.
    • The Sun is bigger in July.
    • Iceland is far north and tilts towards the Sun in summer.
    Check

11. 11. The graph shows the temperature in Reykjavik every six hours for a week in July. Is there a daily pattern?

    • Always the same temperature.
    • Always hottest at midnight.
    • No pattern at all.
    • Usually cooler at midnight and warmer around midday to evening.
    Check

12. 12. Look at the graph. On 28 July it rained heavily and the temperature stayed at 16 °C. What effect did the rain have?

    • It stopped the temperature rising as usual during the day.
    • No effect at all.
    • It made it much hotter.
    • It made it freeze.
    Check

13. 13. Why is weather in Iceland very changeable?

    • It is in a desert.
    • It is an island in the ocean with changing winds and air masses.
    • It has no wind.
    • It is on the Equator.
    Check

14. 14. Why must temperature readings be taken in the same place each time?

    • to make it warmer
    • to make the readings comparable (a fair test)
    • to save time
    • it doesn't matter
    Check

15. 15. What instrument measures air temperature?

    • an anemometer
    • a rain gauge
    • a thermometer
    • a barometer
    Check

16. 16. Look at the graph. What was the highest temperature recorded that week?

    • 19 °C
    • 18 °C
    • 16 °C
    • 20 °C
    Check

17. 17. Climate is the weather of a place over a long time. About how long?

    • one week
    • one month
    • one year
    • more than 30 years
    Check

18. 18. What is climatology?

    • the study of rocks
    • the study of weather
    • the study of climate
    • the study of the stars
    Check

19. 19. What is the climate like in the arid zone?

    • hot and wet all year
    • very cold and dry all year
    • mild winters and hot, dry summers
    • hot and dry all year
    Check

20. 20. Why should air temperature be measured in the shade?

    • so nobody can read it
    • so the thermometer doesn't get wet
    • because it is colder there
    • so sunlight doesn't heat the thermometer itself
    Check