Solutions for PHYSICAL SCIENCE (LCPO)
Problem 1AC:
l. The plane of Earth’s orbit is called the
a. plane of Earth.
b. plane of the solar...Problem 3AC:
3. The consistent tilt and the orientation of its axis as Earth moves around its orbit is...Problem 4AC:
4. In the Northern Hemisphere, the North Pole points toward the Sun during the
a. summer...Problem 6AC:
6. The parallel at 66.5°S is called the
a. Arctic Circle.
b. Antarctic Circle.
c. tropic of...Problem 7AC:
7. The movement of the Sun across the celestial meridian is defined as.
a. midnight.
b. 6 A.M.
c. 6...Problem 8AC:
8. Clocks and watches are set to measure a uniform standard time based
a. mean solar...Problem 10AC:
10. The 180° meridian is called the
a. tropic of Cancer.
b. prime meridian.
c. international date...Problem 11AC:
11. The time period from one new moon to the next new moon is called the
a. sidereal...Problem 12AC:
12. Maria are
a. craters on the Moon.
b. mountains on the Moon.
c. ancient molten lava seas on the...Problem 14AC:
14. Rocks on the surface of the Moon are...Problem 16AC:
16. The approximate age of the Moon was determined by
a. radioactive dating of moon...Problem 17AC:
17. What is the accepted theory about the origin of the Moon?
a. It formed from particles revolving...Problem 18AC:
18. The Moon is positioned between Earth and the Sun. This phase is the
a. full moon.
b. new...Problem 19AC:
19. Tides that occur at the full and new moon phases are called
a. new tides.
b. lunar...Problem 20AC:
20. Friction between the tides and the ocean basin is
a. wearing away the ocean basin.
b. moving...Problem 22AC:
22. In the Northern Hemisphere, city A is located a number of miles north of city B. At 12 noon in...Problem 24AC:
24. During the course of a year and relative to the Sun, Earth’s axis points
a. always toward the...Problem 26AC:
26. If you are located on the equator (o° latitude), when will the Sun appear directly...Problem 29AC:
29. Evidence that Earth is rotating is provided by
a. varying length of night and day during a...Problem 30AC:
30. In about 12,000 years, the star Vega will be the North Star, not Polaris, because of...Problem 31AC:
31. The significance of the tropic of Cancer (23.5°N latitude) is that
a. the Sun appears directly...Problem 32AC:
32. The significance of the Arctic Circle (66.5°N latitude) is that
a. the Sun appears directly...Problem 33AC:
33. In the time 1 P.M., the P.M. means
a. “past morning.”
b. “past midnight.”
c. “before the...Problem 34AC:
34. Clock time is based on
a. sundial time.
b. an averaged apparent solar time.
c. the apparent...Problem 35AC:
35. An apparent solar day is
a. the interval between two consecutive local solar noons.
b. about 4...Problem 36AC:
36. The time as read from a sundial is the same as the time read from a clock
a. all the...Problem 37AC:
37. You are traveling west by jet and cross three time zone boundaries. If your watch reads 3 P.M....Problem 38AC:
38. If it is Sunday when you cross the international date line while traveling westward, the next...Problem 39AC:
39. What has happened to the surface of the Moon during the last 3 billion years?
a. Heavy...Problem 40AC:
40. If you see a full moon, an astronaut on the Moon looking back at Earth at the same time would...Problem 41AC:
41. A lunar eclipse can occur only during the moon phase of
a. full moon.
b. new moon.
c. first...Problem 42AC:
42. A total solar eclipse can occur only during the moon phase of
a. full moon.
b. new...Problem 43AC:
43.A lunar eclipse does not occur every month because
a. the plane of the Moon’s orbit is inclined...Problem 44AC:
44. The smallest range between high and low tides occurs during_
a. full moon.
b. new moon.
c....Problem 45AC:
45. Earth’s axis points toward
a. constellation Aquarius.
b. constellation Leo.
c. the North...Problem 46AC:
46. At the summer solstice, the Sun is
a. low in the Northern Hemisphere sky.
b. high in the...Problem 47AC:
47. Earth is positioned between the Sun and the Moon in a nearly straight line. This positioning...Problem 1QFT:
1. Briefly describe the more conspicuous of Earth's motions. Identify which of these motions are...Problem 4QFT:
4. Where on Earth are you if you observe the following at the instant of apparent local noon on...Problem 5QFT:
5. What is the meaning of the word solstice? What causes solstices? On about what dates do...Problem 6QFT:
6. What is the meaning of equinox? What causes equinoxes? On about what dates do equinoxes occur?
Problem 7QFT:
7. What is precession?
Problem 8QFT:
8. Briefly describe how Earth’s axis is used as a reference for a system that identifies locations...Problem 9QFT:
10. The tropic of Cancer, tropic of Capricorn, Arctic Circle, and Antarctic Circle are parallels...Problem 10QFT:
11. What is the meaning of (a) noon, (b) A.M., and (c) P.M.?
Problem 11QFT:
12. Explain why standard time zones were established. In terms of longitude, how wide is a standard...Problem 12QFT:
13. When it is 12 noon in Texas, what time is it (a) in Jacksonville, Florida; (b) Bakersfield,...Problem 14QFT:
15. Use a sketch and briefly describe the conditions necessary for a total eclipse of the Sun.
Problem 15QFT:
16. Using sketches, briefly describe the positions of Earth, Moon, and Sun during each of the major...Problem 16QFT:
17. If you were on the Moon as people on Earth observed a full moon, in what phase would you...Problem 17QFT:
18. What are the smooth, dark areas that can be observed on the face of the Moon? When did they...Problem 18QFT:
19. What made all the craters that can be observed on the Moon? When did this happen?
Problem 20QFT:
21. Why doesn't an eclipse of the Sun occur at each new moon when the Moon is between Earth and the...Problem 21QFT:
22. Is the length of time required for the Moon to make one complete revolution around Earth the...Problem 22QFT:
23. What is an annular eclipse? Which is more common, an annular eclipse or a total solar eclipse?...Problem 25QFT:
26. What was the basic problem with the Julian calendar? How does the Gregorian calendar correct...Problem 26QFT:
27. What is the source of the dust found on the Moon?
Problem 27QFT:
28. Describe the four stages in the Moon's history.
Problem 28QFT:
29. Explain why every one on the dark side of Earth can see a lunar eclipse but only a limited few...Problem 30QFT:
1. What is the significance of the special designation of the latitudes called the tropic of Cancer...Problem 4PEA:
What is the altitude of the Sun above the southern horizon at noon in Merida, Yucatan, Mexico, on...Problem 7PEB:
7. What is the rotational velocity of Edmonton, Alberta, in km/h? (Assume a sidereal day and...Problem 8PEB:
8. What is the rotational velocity of Nassau, Bahamas, in km/min? (Assume a sidereal day and...Browse All Chapters of This Textbook
Chapter 1 - What Is Science?Chapter 2 - MotionChapter 3 - EnergyChapter 4 - Heat And TemperatureChapter 5 - Wave Motions And SoundChapter 6 - ElectricityChapter 7 - LightChapter 8 - Atoms And Periodic PropertiesChapter 9 - Chemical BondsChapter 10 - Chemical Reactions
Chapter 11 - Water And SolutionsChapter 12 - Organic ChemistryChapter 13 - Nuclear ReactionsChapter 14 - The UniverseChapter 15 - The Solar SystemChapter 16 - Earth In SpaceChapter 17 - Rocks And MineralsChapter 18 - Plate TectonicsChapter 19 - Building Earth’s SurfaceChapter 20 - Shaping Earth’s SurfaceChapter 21 - Geologic TimeChapter 22 - The Atmosphere Of EarthChapter 23 - Weather And ClimateChapter 24 - Earth’s Waters
Sample Solutions for this Textbook
We offer sample solutions for PHYSICAL SCIENCE (LCPO) homework problems. See examples below:
Chapter 1, Problem 1ACChapter 2, Problem 1ACChapter 3, Problem 1ACChapter 4, Problem 1ACReason for the correct options: The term vibration is used for the motion of a particle which...Chapter 6, Problem 1ACChapter 7, Problem 1ACIntroduction: J.J Thomson performed an experiment of cathode rays and observed the green...Introduction: The chemical substances which are composed of two or more atoms of different elements...
Introduction: There are a number of compounds in this world. In order to simplify the name of each...Chapter 11, Problem 1ACIntroduction: A class of compounds containing only carbon and hydrogen is known as hydrocarbons....Introduction: Radioactivity refers to the disintegration or the breaking of the unstable nucleus of...Chapter 14, Problem 1ACChapter 15, Problem 1ACChapter 16, Problem 1ACChapter 17, Problem 1ACChapter 18, Problem 1ACChapter 19, Problem 1ACChapter 20, Problem 1ACChapter 21, Problem 1ACChapter 22, Problem 1ACChapter 23, Problem 1ACChapter 24, Problem 1AC
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