June 2018 Earth Science Regents Questions 41-50 Question Preview (ID: 55023)

Use Your Knowledge Of Earth Science To Answer All Questions In The Data Set. You Will Need Your Earth Science Reference Tables And A Calculator To Answer Some Of The Questions. Good Luck. Corresponding Data Sets: 55023, 55022, 55021, 55020, 55019. TEACHERS: click here for quick copy question ID numbers.

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Which star may once have been similar to our Sun in mass and luminosity?

a) Deneb

b) Spica

c) Procyon B

d) Proxima Centauri

Energy is produced in the cores of main sequence stars when

a) lighter elements undergo fusion into heavier elements

b) heavier elements undergo fusion into lighter elements

c) cosmic background radiation is absorbed

d) cosmic background radiation is released

Based on the graph, the half-life of this radioactive isotope is

a) 6 h

b) 9 h

c) 3 h

d) 12 h

Based on the graph, what is the approximate number of radioactive atoms of Isotope X that are present when 8 hours of decay has occured?

a) 90

b) 115

c) 155

d) 200

In which temperature zone of the atmosphere is point A located?

a) thermosphere

b) mesosphere

c) stratosphere

d) troposphere

The updrafts and downdrafts represented within this cloud are primarily caused by differences in

a) altitude above sea level

b) air density

c) relative humidity

d) specific heat

Which weather symbol would be placed on a station model to represent this weather event?

a) freezing rain

b) sleet

c) thunderstorm

d) snow

What is the contour interval on this map?

a) 25 ft

b) 50 ft

c) 150 ft

d) 250 ft

The gradient between location A and location B is approximately

a) 0.04 ft/mi

b) 25 ft/mi

c) 40 ft/mi

d) 50 ft/mi

A person walks along the trail from location C to location D. The person will be walking

a) downhill then uphill, only

b) downhill, then uphill, then downhill again

c) uphill then downhill, only

d) uphill, then downhill, then uphill again

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