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Science

8th

grade

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Weather Unit Practice Test

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42 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    The data table below shows apparent air temperature in degrees Fahrenheit (°F). Apparent air temperature is how hot the air feels at different air temperatures and different relative humidity.


    If the air temperature is 90°F and the relative humidity is 70%, the apparent air temperature is

    20°F

    106°F

    71°F

    113°F

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    The diagram shows an activity in which two balloons are filled with equal amounts of air. This activity shows that

    warm air is less dense than cold air

    warm air has no density and cold air does

    warm air is more dense than cold air

    warm air and cold air are equal in density

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which statement is an inference?

    A thermometer shows that the air temperature is 56°F.

    A mineral sample of galena produced a gray-black streak when tested.

    Based on previous data, ten hurricanes may occur in the year 2013.

    A weather vane indicates the wind is coming from the west.

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