January 2020 Earth Science Regents Questions 41-50 Question Preview (ID: 55000)

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: 55000, 54998, 54996, 54995, 54993. TEACHERS: click here for quick copy question ID numbers.

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What causes the gas and dust cloud to condense and become a star?

a) density

b) friction

c) gravity

d) outgassing

Which star is most likely to become a supernova?

a) Sun

b) Deneb

c) Pollux

d) Barnard’s Star

Which process produces large amounts of energy in a star by combining lighter elements into a heavier element?

a) convection

b) radiation

c) radioactive decay

d) nuclear fusion

Which radioactive isotope takes the greatest amount of time to disintegrate?

a) potassium-40

b) uranium-235

c) uranium-238

d) rubidium-87

Which graph below represents the amount of potassium-40 and the amount of argon-40 and calcium-40 over four half-lives?

a) 1

b) 2

c) 3

d) 4

Which type of front is represented by this cross section?

a) warm

b) cold

c) stationary

d) occluded

Clouds are forming along the front because the rising air is

a) contracting and warming, causing evaporation

b) contracting and cooling, causing evaporation

c) expanding and warming, causing condensation

d) expanding and cooling, causing condensation

Which statement best describes the difference in air temperature and humidity between the cP and mT air masses?

a) The mT air mass is warmer and more humid.

b) The mT air mass is cooler and less humid.

c) The cP air mass is warmer and less humid.

d) The cP air mass is cooler and more humid.

Which motion causes observers on Earth to see different constellations at different times of the year?

a) Earth revolves around the constellations

b) Earth revolves around the Sun.

c) The constellations revolve around Earth.

d) The constellations revolve around the Sun.

At position 5, an observer on Earth sees a full Moon (the fully lighted side of the Moon) at midnight. At this time, the full Moon would appear closest to the constellation

a) Aries

b) Capricornus

c) Libra

d) Libra

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