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Understanding FCAT Reports 2005 - Bureau of K-12 Assessment ...

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Grade 8 Science Short-Response Task<br />

Task with an Example <strong>of</strong> a Top-Score Response for This Task<br />

READ<br />

INQUIRE<br />

EXPLAIN<br />

When the astronauts landed on the Moon, they brought the Dante II, a lunar rover. On the<br />

Moon, the weight <strong>of</strong> the Dante II was different than its weight on Earth, but its mass<br />

remained the same.<br />

THE WEIGHT AND MASS OF DANTE II<br />

Location<br />

Weight<br />

(in newtons)<br />

Mass<br />

(in kilograms)<br />

on Earth 7560 771<br />

on Moon <strong>12</strong>63 771<br />

Explain why the weight <strong>of</strong> the Dante II was different, but its mass remained the same.<br />

An explanation similar to the following:<br />

Earth’s gravity is much greater than the Moon’s. There was less gravity<br />

pulling on the lunar rover when it was on the Moon, so the lunar rover<br />

weighed less. Mass is the amount <strong>of</strong> matter in something. Mass is not<br />

affected or influenced by gravity. That’s why when you are on the Moon your<br />

mass doesn’t change.<br />

<strong>Understanding</strong> <strong>FCAT</strong> <strong>Reports</strong> <strong>2005</strong> © <strong>2005</strong> Florida Department <strong>of</strong> Education<br />

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