Earth Science June 2015

Earth Science June 2015 Questions Answers Keys.

The University of the State of New York
Regents high school examination
Physical setting
Earth science
Friday, June 19, 2015 — 9:15 a.m. to 12:15 p.m., only

Directions : For each statement or question, choose the word or expression that, of those given, best completes the statement or answers the question. Some questions may require the use of the 2011 Edition Reference Tables for Physical Setting/Earth Science. Record your answers on your separate answer sheet.

1. Compared to the terrestrial planets, the Jovian planets are

  • (1) larger and less dense
  • (2) smaller and more dense
  • (3) closer to the Sun and less rocky
  • (4) farther from the Sun and more rocky
Answer: (1) larger and less dense 

2. Earth, the Sun, and billions of stars are contained within

  • (1) a single constellation
  • (2) the Milky Way galaxy
  • (3) the solar system
  • (4) a giant cloud of gas
Answer: (2) the Milky Way galaxy 

3. The diagram below represents a globe that is spinning to represent Earth rotating. The globe is spinning in the direction indicated by the arrow. Points A, B, C, D, X, and Y are locations on the globe.

A student attempted to draw a straight line from point X to point Y on the spinning globe. Due to the Coriolis effect, the student’s drawn line most likely passed through point

  • (1) A
  • (2) B
  • (3) C
  • (4) D
Answer: (2) B 

4. Flash flooding is most likely to occur when heavy rain falls on

  • (1) deforested landscapes with clay soils
  • (2) deforested landscapes with sandy soils
  • (3) forested landscapes with clay soils
  • (4) forested landscapes with sandy soils
Answer: (1) deforested landscapes with clay soils 

5. Radioactive decay of 40K atoms in an igneous rock has resulted in a ratio of 25 percent 40K atoms to 75 percent 40Ar and 40Ca atoms. How many years old is this rock?

  • (1) 0.3 109 y
  • (2) 1.3 109 y
  • (3) 2.6 109 y
  • (4) 3.9 109 y
Answer: (3) 2.6 109 y 

6. A student using a sling psychrometer measured a wet-bulb temperature of 10°C and a dry-bulb temperature of 16°C. What was the dewpoint?

  • (1) 10°C
  • (2) 45°C
  • (3) 6°C
  • (4) 4°C
Answer: (4) 4°C 

7. Most of the hurricanes that affect the east coast of the United States originally form over the

  • (1) warm waters of the Atlantic Ocean in summer
  • (2) warm land of the southeastern United States in summer
  • (3) cool waters of the Atlantic Ocean in spring
  • (4) cool land of the southeastern United States in spring
Answer: (1) warm waters of the Atlantic Ocean in summer 

8. The ozone layer protects life on Earth by absorbing harmful ultraviolet radiation. The ozone layer is located between 17 kilometers and 35 kilometers above Earth’s surface in which atmospheric temperature zone?

  • (1) troposphere
  • (2) stratosphere
  • (3) mesosphere
  • (4) thermosphere
Answer: (2) stratosphere 

9. Which weather map symbol is associated with extremely low air pressure?

Answer: (4)

10. Which two elements make up the greatest percentages by mass in Earth’s crust?

  • (1) oxygen and potassium
  • (2) oxygen and silicon
  • (3) aluminum and potassium
  • (4) aluminum and silicon
Answer: (2) oxygen and silicon 

11. What is the approximate P-wave travel time from an earthquake if the P-wave arrives at the seismic station 8 minutes before the S-wave?

  • (1) 4 minutes 20 seconds
  • (2) 6 minutes 30 seconds
  • (3) 10 minutes 0 seconds
  • (4) 11 minutes 20 seconds
Answer: (3) 10 minutes 0 seconds 

12. Which two factors have the most influence on the development of landscape features?

  • (1) bedrock age and weathering rates
  • (2) bedrock structure and climate variations
  • (3) rate of deposition and thickness of the bedrock
  • (4) rate of erosion and fossils in the bedrock
Answer: (2) bedrock structure and climate variations 

13. Which two New York State landscape regions have surface bedrock that formed about 1000 million years ago?

  • (1) Hudson Highlands and Adirondack Mountains
  • (2) Erie-Ontario Lowlands and Atlantic Coastal Plain
  • (3) Tug Hill Plateau and Allegheny Plateau
  • (4) Newark Lowlands and Manhattan Prong
Answer: (1) Hudson Highlands and Adirondack Mountains 

14. What is the minimum water velocity necessary to maintain movement of 0.1-centimeter-diameter particles in a stream?

  • (1) 0.02 cm/s
  • (2) 0.5 cm/s
  • (3) 5.0 cm/s
  • (4) 20.0 cm/s
Answer: (3) 5.0 cm/s 

15. Compared to a light-colored rock with a smooth surface, a dark-colored rock with a rough surface will

  • (1) both absorb and reflect less insolation
  • (2) both absorb and reflect more insolation
  • (3) absorb less insolation and reflect more insolation
  • (4) absorb more insolation and reflect less insolation
Answer: (4) absorb more insolation and reflect less insolation 

16. The diagram below indicates regions of daylight and darkness on Earth on the first day of summer in the Northern Hemisphere. Four latitudes are labeled A, B, C, and D.

At which latitude is the Sun above the horizon for the least number of hours on the day shown?

  • (1) A
  • (2) B
  • (3) C
  • (4) D
Answer: (4) D 

17. Which process is responsible for the greatest loss  of energy from Earth’s surface into space on a clear night?

  • (1) condensation
  • (2) conduction
  • (3) radiation
  • (4) convection
Answer: (3) radiation 

18. The timeline below represents time from the present to 20 billion years ago. Letters A, B, C, and D represent specific times.

Which letter on the timeline best represents the time when scientists estimate that the Big Bang occurred?

  • (1) A
  • (2) B
  • (3) C
  • (4) D
Answer: (4) D 

19. The diagram below represents a Foucault pendulum that is swinging back and forth.

Which diagram best represents the change in the motion of a Foucault pendulum that provides evidence of Earth’s rotation?

Answer: (1)  

20. The diagram below represents some constellations and one position of Earth in its orbit around the Sun. These constellations are visible to an observer on Earth at different times of the year.

When Earth is located in the orbital position shown, two constellations that are both visible to an observer on Earth at midnight are

  • (1) Libra and Virgo
  • (2) Gemini and Taurus
  • (3) Aquarius and Capricorn
  • (4) Cancer and Sagittarius
Answer: (2) Gemini and Taurus 

21. The cross sections below represent three beakers that were used to test porosity. Beakers A, B, and C each contain a different size of bead. Each beaker holds an equal volume of beads. The amount of water needed to fill the total pore space between the beads in each beaker was measured.

Which statement best describes the porosity that was found for these three samples?

  • (1) A had a greater porosity than B and C.
  • (2) B had a greater porosity than A and C.
  • (3) C had a greater porosity than A and B.
  • (4) All three samples had the same porosity.
Answer: (4) All three samples had the same porosity. 

22. Which graph best indicates the general relationship between soil particle size and the amount of water retention by a permeable soil?

Answer: (4)  

23. The cross section below represents surface bedrock where faulting has occurred along line AB

When could this faulting have occurred?

  • (1) before the Ordovician rocks were deposited
  • (2) during the Ordovician period
  • (3) before the Cambrian rocks were deposited
  • (4) during the Cambrian period
Answer: (2) during the Ordovician period 

24. The two block diagrams below represent the formation of caves.

Which types of weathering and erosion are primarily responsible for the formation of caves?

  • (1) chemical weathering and groundwater flow
  • (2) chemical weathering and runoff
  • (3) physical weathering and groundwater flow
  • (4) physical weathering and runoff
Answer: (1) chemical weathering and groundwater flow 

25. The cross section below represents several rock units within Earth’s crust. Letter A represents Earth’s surface. Letters B, C, and D indicate boundaries between rock units. One of the unconformities is labeled.

Which lettered boundary is most likely another unconformity?

  • (1) A
  • (2) B
  • (3) C
  • (4) D
Answer: (3) C 

26. The map below shows the distribution of ash across the United States as a result of the May 18, 1980 volcanic eruption of Mount St. Helens.

Volcanic ash deposits such as these are usually excellent geologic time markers because they

  • (1) occur at regular time intervals
  • (2) spread over a large area in a short amount of time
  • (3) represent a time gap in the rock record
  • (4) contain index fossils from different time periods
Answer: (2) spread over a large area in a short amount of time 

27. Which diagram represents a side view of a sand dune most commonly formed as a result of the prevailing wind direction shown?

Answer: (3)  

28. The map below indicates an air-pressure field over North America. Isobar values are recorded in millibars.

At which city was the greatest wind speed occurring?

  • (1) Boise
  • (2) Denver
  • (3) Kansas City
  • (4) Austin
Answer: (2) Denver 

29. The striped areas on the map below show regions along the Great Lakes that often receive large amounts of snowfall due to lake-effect storms.

These storms generally develop when

  • (1) cold air moves to the east over warmer lake water
  • (2) cold air moves to the west over warmer land regions
  • (3) warm air moves to the east over colder lake water
  • (4) warm air moves to the west over colder land regions
Answer: (1) cold air moves to the east over warmer lake water 

30. The graph below shows the heating effect that different land uses have on surface air temperatures on a summer afternoon.

Which land use results in the least heating effect in urban areas?

  • (1) commercial
  • (2) downtown
  • (3) residential
  • (4) parks
Answer: (4) parks 

Base your answers to questions 31 and 32 on the flowchart below and on your knowledge of Earth science. The boxes labeled A through G represent rocks and rock materials. Arrows represent the processes of the rock cycle.

31. Which lettered box could represent the rock conglomerate?

  • (1) E
  • (2) G
  • (3) C
  • (4) D
Answer: (2) G 

32. The arrows in the block diagram below represent forces forming mountains in a region of Earth’s lithosphere.

Metamorphic rocks that formed from these forces are represented by which lettered box in the flowchart?

  • (1) A
  • (2) B
  • (3) E
  • (4) F
Answer: (1) A 

Download Earth Science June 2015 Question Answers

 Earth Science Examination QuestionDownload Earth Science June 2015 Question
 Download Earth Science June 2015 Question Answers KeysScoring Key and Rating Guide

See also: 

0 comments… add one

Leave a Comment