Science

7th

grade

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7.P.2.1 Lesson Review (NC Science Standard)

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  • 1. Multiple Choice
    1 minute
    1 pt
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    Use the data table and ball movement table to answer question #1.

    Students investigate how the force of the wind affects the movement of equal-sized balls that have different masses.

    As students observe, a wind blows equally on all of the balls. When the wind stops, students draw a picture of their results.

    Which of the following can the students conclude from their data?

    Balls move easily when their mass is higher.

    Balls do not move because they have mass.

    Balls move farther when their mass is lower.

    Balls move quickly when their size is larger.

  • 2. Multiple Choice
    1 minute
    1 pt
    Image

    (1.P.1.1)

    Use the picture below to answer question #2.

    This soccer ball is moving to the right as shown by the arrow. Where should you place a pushing force to make the ball move in the opposite direction?

    point W

    point X

    point Y

    point Z

  • 3. Multiple Choice
    1 minute
    1 pt

    (7.P.2.1)

    Which of the following is an example of potential energy?

    A glass jar sitting of a shelf.

    A flag waving in the wind.

    A ball rolling along a sidewalk.

    A battery powering a radio.

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