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6th grade · Science · Unit 6 of 9

Weather Systems

Air masses, fronts and the water cycle.

What your child practices

Practices how air masses and fronts change the weather, and how the sun and gravity drive the water cycle, including the rain shadow of the Cascades and atmospheric rivers.

Washington State Learning Standards learning standard: MS-ESS2-4; MS-ESS2-5 · the water cycle driven by sunlight and gravity, and how air masses cause weather changes

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

    Low air pressure usually brings…

    • dry weather
    • no wind
    • clouds and precipitation
    • clear skies

  2. Question 2

    Which instrument measures wind speed?

    • Hygrometer
    • Thermometer
    • Anemometer
    • Barometer

  3. Question 3

    Which instrument measures air pressure?

    • Barometer
    • Thermometer
    • Rain gauge
    • Anemometer

  4. Question 4

    Water given off by plant leaves is…

    • infiltration
    • runoff
    • precipitation
    • transpiration

  5. Question 5

    Water vapor cooling to form clouds is…

    • precipitation
    • condensation
    • evaporation
    • runoff

  6. Question 6

    Why is the west side of the Cascades wetter than the east side?

    • The sun never shines in the west
    • Wind only blows east to west
    • The east side is closer to the ocean
    • Moist ocean air rises, cools and rains on the west side

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