ES 106 Practice Lab Quiz Answers highlighted in green Try it first then check your answers These questions are from lab 1 1 What is the equivalent of 22o F a 295 K b 74o C c 98 6o C d 5 5o C e 33 2 o C 2 Surface tension results in a Plastic sinking in water b Wood floating in water c Ice floating in water d Pin floating on water e Dye dispersing through water 3 The percent error in the calculation is a 0 1 b 0 2 c 0 3 d 0 5 e 0 005 This question relates to 35 4 In determining your unknown which solution had a pH that was highly alkaline a Known water b Solution 1 c Solution 2 d Solution 3 e Solution 4 These questions are from lab 2 5 Which is the best conductor of heat a Water b Metal c Wood d Plastic e Cloth 6 Absolute zero is a 273o C b 273 K c The freezing point of water d 0o F e 0o C 7 Convection causes a Heat to pool at bottom of room b Spoons to be too hot to handle c Campfires to give off warmth d Sun to warm Earth s surface e Boiling water to self stir 8 Conduction causes a Heat to pool at bottom of room b Spoons to be too hot to handle c Campfires to give off warmth d Sun to warm Earth s surface e Boiling water to self stir These questions are from lab 3 9 If water has a salinity of 30 2 kg of water has how much dissolved salt a 15 grams b 15 kilograms c 6 grams d 60 grams e 60 kilograms These questions are from lab 4 15 Calculate how many kilometers that 5 cm represents on a map with a scale of 1 5 000 000 a 25 000 km b 25 000 000 km c 250 km d 25 km e 2500 km 10 About what percent of Earth s surface covered by ocean a 25 b 40 c 55 d 71 e 90 16 Approximately how high above the surrounding sea floor is the midAtlantic ridge a About 2000 m b About 200 miles c About 5 m d About 80 million years e About 10 kilometers 11 The Arabian Sea is located at a 60oN latitude 20 oE longitude b 20 oS latitude 60 oE longitude c 20oN latitude 60 oE longitude d 20oN latitude 60 oW longitude e 60oS latitude 20 oW longitude 12 At what latitude is the density of water at the ocean surface the least a 40oN b 20oN c 0o d 20oS e 40oS 13 High salinity causes surface ocean water to a Sink to the bottom b Float at the top c Travel to equatorial areas d Travel to polar areas e Evaporate more quickly 14 What percent of Earth s surface is ocean at 85oS latitude a 100 b 70 c 505 d 30 e 0 17 If sea floor that is 200 km from the oceanic ridge is 20 million years old the rate of plate movement is a 10 cm yr b 1 cm yr c 100 000 cm yr d 40 000 km million years e 4000 cm yr 18 Deep ocean trenches occur at a divergent lithosphere plates b convergent lithosphere plates c ocean ridges d pillow lava e sea floor spreading 19 The Gauss Normal magnetic polarity epoch began a 3 3 years ago b 330 000 years ago c 700 000 years ago d 3 3 million years ago e 7 million years ago These questions are from lab 5 20 Date of longest daylight in Oregon a The fourth of July b September 22 c December 20 d March 22 e June 21 21 This day is called a Spring solstice b Fall equinox c Winter solstice d Summer equinox e Summer solstice 22 Compared to dry sand water a Heats faster b Emits more light c Absorbs more heat d Changes temperature more slowly e Has lower albedo 23 Sun angle is about how many degrees on June 20 at 23 5oN latitude a 90 o straight overhead b 23 5 o S toward equator c 66 5 o S toward equator d 23 5 o N toward pole e 66 5 o N toward pole 24 high albedo results in a better absorption of heat b better reflection of heat c better conduction of heat d better convection of heat e ice floating on water These questions are from lab 6 25 If one kilogram of air can hold 20 grams of water and it contains 4 grams of water it s relative humidity is a 4 b 20 c 25 d 77 e 80 26 As temperature increases relative humidity a Increases if no water vapor is added to the air b Decreases if no water vapor is added to the air c Is unchanged d Decreases due to pressure drop e Increases due to pressure rise 27 When air is cooled to its dew point temperature a It expands on rising b It compresses on rising c It has a relative humidity of 100 d It has a relative humidity of 50 e It has a relative humidity of 25 28 Using a sling psychrometer the dry bulb temp is 26o C The wet bulb temp is 17oC The dew point temperature is a 11o C b 11 c 18 o C d 18 e 10 o C 29 If 25 o C air with a relative humidity of 50 rises from sea level and cools adiabatically it will reach its dew point temp at what altitude a 500 m b 1000 m c 1500 m d 2000 m e 5000 m These questions are from lab 7 30 East of the Cascade Range a There is a rain forest b There is a rain shadow desert c It is maritime climate d The rainfall is greater at lower elevations e There are no rivers 31 The greatest precipitation occurs a In the Willamette Valley b In the Great Basin c In the Steens Mountains d On the Columbia Plateau e At the crest of the Coast and Cascade ranges 32 The warmest July temperatures occur a West of the Coast Range b In the Willamette Valley c At the crest of the Cascade Range d At low elevations east of the Cascade Range e At high elevations east of the Cascade Range 33 What correlation between elevation and precipitation is there in South Central Oregon a Higher elevation higher rainfall b Higher elevation lower rainfall c Lower elevation higher rainfall d No correlation e It doesn t rain in south central Oregon 34 Winter in St Paul Minnesota is a Drier than summer there b Hotter than summer there c Cold and wet due to presence of ocean nearby d Cold and dry due to lack of ocean nearby e Subject to tornadoes because it is in tornado alley The last page is one you need to fill out Don t use …
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