Earth Science Final Practice Test

1. Semester 1 Final Practice

2. 1)Which of the following faults is the largest fault system in North America? • San Andreas • San Jacinto • Garlock • Imperial

3. 2)Within the atmosphere, carbon is found mainly as _________. • CO2 • Nitrogen • Oxygen • Water vapor

4. 3) The atmosphere is divided into distinct layers by changes in ______. • Air pressure • Temperature • Nitrogen and oxygen concentration • Ozone concentration

5. 4)Temperatures in the stratosphere increase because it has a high concentration of _______. • Ozone • Pressure • Clouds • gravity

6. 5) One of the effects of a _______ is a build-up of pollutants, or smog. • Temperature conversion • Temperature inversion • Thermal conversion • Thermal convection

7. 6)Nitrogen is released as a gas by__________. • Bacteria in the roots of legumes • Respiration • Decomposition of proteins in the soil • photosynthesis

8. 7) During the carbon cycle, carbon in ocean reservoirs appears primarily as • Coal, oil, and natural gas • Dissolved carbon dioxide, bicarbonate, carbonate ions • Organic molecules and fossil fuels • Simple sugars, carbon dioxide, and methane gas

9. 8) Granite is an igneous rock with large crystals. It most likely forms by _________. • Cementing of sediments underground • Compression of rock in mountain building • Cooling of magma underground • Cooling of lava above ground

10. 9) Quartzite is a metamorphic rock with very small crystals. It most likely forms as a result of • Cementing sediments underground • Compression of rock in mountain building • Cooling o magma underground • Cooling of lave above ground

11. 10) What are the 2 types of igneous rocks? • Intrusive and extrusive • Erosion and compaction • Cementation and compaction • Clastic and chemical

12. 11) All of the following provide evidence for the theory of plate tectonics except • Characteristics of living organisms on the seafloor • Patterns of magnetic fields on the seafloor • The relatively young age of the seafloor • Topographical features on the seafloor

13. 12)A tectonic plate boundary that occurs when two plates move apart is called a __________ • Convergent boundary • Transform boundary • Divergent boundary • Major plate

14. 13) With slippage along a fault line, which hypothesis emphasizes the springing back of the rock into its original place? • Flexible rebound hypothesis • Regressing recoil hypothesis • Recovering rock hypothesis • Elastic rebound hypothesis

15. 14)The place within Earth’s crust where the earthquake originated is called the _______. • Epicenter • Fault • Fracture • Focus

16. 15) Earthquake activity in California is primarily caused by • The lowering of aquifer levels • The interaction of tides with the coast • Mining activity in the nineteenth century • Plates moving past each other along active faults

17. 16) The two main differences between a composite volcano and a shield volcano are their • Lava type and height • Lava type and shape • Eruption frequency and height • Eruption frequency and shape

18. 17) The majority of California’s volcanic fields are located in _____ parts of the state. • Northern and western • Northern and eastern • Central and western • Eastern and southern

19. 18) What dynamic process produces new oceanic lithosphere? • Sea floor spreading • Underwater volcanoes • Erosion of ocean ridges • Deep sea thermal venting