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Grade 9 · Social Studies · Unit 3 of 9

World Climates and Biomes

Climate factors and world biomes

What your child practises

Practises what controls climate (latitude, elevation, nearness to water, winds and currents), the world’s major biomes, reading climographs, and how climate and people affect each other.

Prince Edward Island Curriculum curriculum outcome: DT1; DT2 · how physical features and climate make places significant, and how people and environments influence each other

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What does a climograph show?

    • a country’s population
    • the number of cities
    • a place’s average monthly temperature and precipitation
    • the height of mountains

  2. Question 2

    What is a rain shadow?

    • a wet valley
    • a dark rain cloud
    • a flood plain
    • a dry area on the side of a mountain away from moist winds

  3. Question 3

    Monthly precipitation is 80, 90, 100 and 70 mm. What is the total for the four months?

    • 340 mm
    • 300 mm
    • 370 mm
    • 240 mm

  4. Question 4

    How can ocean currents affect a coast’s climate?

    • they have no effect
    • warm currents warm it and cold currents cool it
    • they make it a desert
    • they stop all rain

  5. Question 5

    Moist air rises up the windward side of a mountain. What usually happens?

    • it warms and stays dry
    • it cools and drops rain or snow
    • it sinks into the ground
    • it turns into wind only

  6. Question 6

    Two cities lie at the same latitude. One is at sea level, the other high in the mountains. Which is usually colder?

    • it cannot be known
    • they are always the same
    • the city high in the mountains
    • the city at sea level

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