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10 Cards in this Set

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 To determine the earth's circumference, the altitude of the sun at ___________ locations are needed. a. four b. six c. one d. two d. two The same substance always has the ________ density. a. different b. bigger c. same d. smaller c. same As pressure increases, density___________. a .increases b. decreases c. stays the same a. increases Most changes in the environment such as ,seasons, , sun's path, etc. are _________ and predictable. a. unpredictable b. cyclic c. sporadic b. cyclic As temperature increases, density __________. a. increases b. decreases c. stays the same b. decreases TRUE or FALSE Water expands when it freezes? True Water is densest at ________ degrees C, when it is a liquid. a. 40 C b.400 C c. .04 C d. 4 C d. 4 C The altitude of Polaris equals your ______________. a. latitude b. longitude c. parallel d. meridian a. latitude TRUE or FALSE The best model of the earth's shape is a sphere? TRUE The true shape of the earth is and ____________________. a. oval b. sphere c.oblate spheroid d. perfect circle c. oblate spheroid