Transcription of Study Guide and Reinforce Answers - Hanover Area School ...
1 4 Answer KeyANSWER KEYS ection 3 (p. 21) ; wheel and axle; lever; ; screw; inclined !l/h!3 ! !Lin/Lout!10 m/10 m ! !rw/ra!4cm/1cm ! 4 Chapter 7, The Earth Moon Sun SystemSection 1 (p. 23) northern and southern lights are causedby the collision of charged particles from thesun and Earth s location changes because of changes inEarth s crust and upper s magnetic field is thought to be causedby Earth s rotation and the movement ofmatter in the core of the fall towards the center of Earthbecause of shadow is curved because Earth is acts like a giant magnet and attractsthe needle of the compass which is also s oceans absorbed large amounts ofcarbon 2 (p. 24) symbol for , s rotational north and south appears to appear of its rotation, revolution, and thetilt of its s higher in the keeps the same direction of 8, The Solar SystemSection 1 (p.)
2 27) 2 (p. 28) n u n u u ; the planet is ; it s a ; the planet is u ; the iron core is much larger u u ; the planet is rocky planets formed closer to the Sunbecause remaining gas, ice, and dust particlesfrom the nebula that formed the Sun collidedStudy Guide and Reinforcement5 ANSWER KEYand stuck together. These solid masses thenattracted more particles due to the force ofgravity. The high temperatures close to theSun vaporized the lighter elements, whichalso could have been driven away by 3 (p. 29) i p e r B e l Section 4 (p. 30)Possible Answers to questions 1 3 vents on the ocean floor (hot, dark,extreme pressure) areas in northeastern Siberia (extreme cold) of Mono Lake, California (dark, lacking oxygen, large amounts of salt and lye) answer: The presence of water mightindicate that extraterrestrial life could surviveand was present at one time on these planetsand moons.
3 Scientists have found that Marsmight have had large amounts of water on itssurface. They also have found evidence thatEuropa, a moon of Jupiter, might have a deeplong-lasting ocean, while the oceans ofGanymede and Callisto, two other moons ofJupiter, might be slowly freezing , Chapter 9, Heat and States of MatterSection 1 (p. 31) 2 (p. 32) CSection 3 (p. 33) spoon: Silver is a better conductor ofheat than red shirt: Darker-colored materials absorbmore heat than lighter-colored sidewalk in the sun: Dull materials absorbmore radiant energy than shiny FeatureReason of Interest to water-ice Life on earth needs water Life on earth is of methaneIndicates a dynamically presentactive atmosphere of large Indicates internal geologic activityimpact cratersthat could provide energy neededfor the development of organicmolecules
