Exploring Creation With Physical Science Module 9 Study Guide – Flashcards
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Reference Point
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A point against which position is measured
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Vector Quantity
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A physical measurement that contains directional information
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Scalar Quantity
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A physical measurement that does NOT contain directional information
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Acceleration
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The time rate of change of an object's velocity
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Free Fall
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The state of an object that is falling towards the earth with nothing inhibiting its fall
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If an object's position does not change relative to a reference point, is it in motion relative to that reference point?
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No
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A glass of water sits on the counter. Is it in motion?
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Yes
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A child is unmoving in the middle of a lake. Two girls are jogging around the lake, keeping perfect pace with each other. Relative to whom is the child in motion?
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The girls
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A child is unmoving in the middle of a lake. Two girls are jogging around the lake, keeping perfect pace with each other. Relative to whom is the first girl in motion?
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The child
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A child is unmoving in the middle of a lake. Two girls are jogging around the lake, keeping perfect pace with each other. Relative to whom is the second girl NOT in motion?
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The first girl
