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15 Cards in this Set
- Front
- Back
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What is a force that occurs when one object rubs against another?
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friction
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What is a main control center found in plant and animal cells?
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nucleus
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What is the pull of gravity on an object?
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weight
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What is the location of an object?
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position
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What is a push or pull?
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force
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What is a change of position?
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motion
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What is a thin outer covering of plant and animal cells?
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cell membrane
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What is a clear, jelly-like material that fills plant and animal cells?
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cytoplasm
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What is a subtance found in nature that is not a plant or an animal?
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minerals
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What is a group of parts that work together?
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system
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what is a tiny box-like part that is the basic building block of living things?
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cell
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What is a group of cells that are alike?
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tissue
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What is a group of tissues that work together?
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organ
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What is how fast an object moves?
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speed
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What is the pulling force between two objects?
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gravity
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