Chapter 27 Review

1. Chapter 27 Review The Sun-Earth-Moon System

2. Which sentence explains how the frequency and the wavelength of electromagnetic waves are related? • As wavelength decreases, frequency increases. • As wavelength decreases, frequency remains unchanged. • As wavelength increases, frequency increases. • As wavelength decreases, frequency decreases.

3. A scientist looking for an optimal location for a new observatory should choose a location________. • in a large city • in an area with an elevation below sea level • on a remote hilltop • in a low-lying river valley

4. The Hubble Space Telescope orbits Earth every 97 minutes. Calculate how long it would take the Hubble Space Telescope to orbit Earth 30 times. • 48 hours, 30 minutes • 48 hours, 50 minutes • 4 hours, 51 minutes • 4 hours, 30 minutes

5. The information shown in this graph can be used to make inferences about • the amount of tectonic activity on Earth and the Moon • the chemical composition of Earth and the Moon • the relative speed of rotation of Earth and the Moon • the relative brightness of Earth and the Moon

6. Which point on the timeline indicates the time when the rocks on the Moon’s surface formed? • A • B • C • D

7. At the time indicated in this diagram, what season is it in the Southern hemisphere? • spring • summer • fall • winter

8. In the northern hemisphere, what day is represented by this diagram? • winter solstice • summer solstice • autumnal equinox • vernal equinox

9. Which phase is the Moon in when the Earth, Sun, and Moon are in the positions shown in the diagram? • new moon • full moon • waxing crescent • waning gibbous

10. What occurs when the Moon is at positions A and C? • lunar eclipse • spring tide • neap tide • solar eclipse

11. Our timekeeping system is based on the ____. • sidereal day • solar day • phases of the moon • Earth's tilt

12. Earth's tilt in combination with its orbit around the Sun cause the • tides • full moon • seasons • Coriolis effect

13. The sequential changes in the appearance of the Moon are called • lunar eclipses • lunar phases • lunar tides • lunar positions

14. A lunar eclipse occurs when the Moon passes through Earth's • atmosphere • orbit • shadow • umbra

15. People who see a partial solar eclipse are located in the ____ portion of the Moon's shadow. • umbra • perigee • apogee • penumbra

16. Plane of the Earth's orbit about the Sun • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • spinoffs • maria • ejecta • rilles • ecliptic

17. Material blasted out of impact craters on the Moon that falls back to the surface • electromagnetic radiation • refracting telescope • reflecting telescope • ejecta • spinoffs • maria • Foucault pendulum • rilles • regolith

18. Electric and magnetic disturbances, or waves, that travel through space • Foucault pendulum • refracting telescope • reflecting telescope • electromagnetic radiation • spinoffs • maria • ejecta • rilles • regolith

19. The Moon's state, in which its rotational and orbital periods are equal • electromagnetic radiation • refracting telescope • reflecting telescope • synchronous rotation • spinoffs • maria • ejecta • rilles • regolith

20. Dark, smooth plains on the Moon's surface • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • spinoffs • Foucault pendulum • ejecta • maria • regolith

21. Hanging-weight system that helps demonstrate the rotation of Earth • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • Foucault pendulum • maria • ejecta • rilles • regolith

22. Valley-like structures on the Moon's surface • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • spinoffs • rilles • ejecta • Foucault pendulum • regolith

23. Loose, ground-up rock on the Moon's surface • electromagnetic radiation • refracting telescope • regolith • interferometry • spinoffs • maria • ejecta • rilles • Foucault pendulum

24. Telescope that uses lenses to bring visible light to a focus • electromagnetic radiation • Foucault pendulum • reflecting telescope • interferometry • refracting telescope • maria • ejecta • rilles • regolith

25. Process of linking many separate telescopes together to act as one • electromagnetic radiation • refracting telescope • interferometry • Foucault pendulum • spinoffs • maria • ejecta • rilles • regolith

26. Occurs when the Moon passes directly between the Sun and Earth • electromagnetic radiation • solar eclipse • reflecting telescope • interferometry • spinoffs • maria • ejecta • rilles • regolith

27. Outer portion of the Moon's shadow on Earth during a solar eclipse • penumbra • refracting telescope • reflecting telescope • interferometry • spinoffs • maria • ejecta • rilles • regolith

28. Inner portion of the Moon's shadow on Earth during a solar eclipse • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • umbra • maria • ejecta • rilles • regolith

29. Telescope that uses mirrors to bring visible light to a focus • reflecting telescope • refracting telescope • Foucault pendulum • interferometry • spinoffs • maria • ejecta • rilles • regolith

30. Spring day characterized by day and night of equal lengths • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • spinoffs • maria • ejecta • vernal equinox • regolith

31. Occurs when the Moon passes through Earth’s shadow • electromagnetic radiation • refracting telescope • reflecting telescope • interferometry • spinoffs • maria • lunar eclipse • rilles • regolith

32. NASA technologies that have been passed on to commercial industries for common usage • spinoffs • refracting telescope • reflecting telescope • interferometry • Foucault pendulum • maria • ejecta • rilles • regolith

33. Technology developed in the space program that now has common commercial uses • reflecting telescope • albedo • solar eclipse • perigee • interferometry • autumnal equinox • apogee • spinoff • synchronous rotation

34. Earth’s position around June 21, at which the northern hemisphere has its maximum daylight hours • reflecting telescope • summer solstice • solar eclipse • perigee • interferometry • spinoff • apogee • autumnal equinox • synchronous rotation

35. Earth’s position when the lengths of day and night are equal • reflecting telescope • albedo • autumnal equinox • perigee • interferometry • spinoff • apogee • summer solstice • synchronous rotation

36. Process of linking separate radio telescopes to act as one • reflecting telescope • albedo • solar eclipse • perigee • autumnal equinox • spinoff • interferometry • summer solstice • synchronous rotation

37. The blocking of the disk of the sun by the Moon • reflecting telescope • albedo • solar eclipse • perigee • interferometry • spinoff • apogee • summer solstice • synchronous rotation

38. Closest point to Earth in the Moon’s orbit • reflecting telescope • albedo • solar eclipse • autumnal equinox • interferometry • spinoff • perigee • summer solstice • synchronous rotation

39. Earth’s position near or on December 21, at which the northern hemisphere has its minimum daylight hours • reflecting telescope • albedo • solar eclipse • winter solstice • interferometry • spinoff • apogee • summer solstice • synchronous rotation

40. The portion of sunlight reflected by the Moon’s surface • albedo • autumnal equinox • solar eclipse • perigee • interferometry • spinoff • apogee • summer solstice • synchronous rotation

41. Farthest point from Earth in the Moon’s orbit • reflecting telescope • albedo • solar eclipse • perigee • apogee • spinoff • autumnal equinox • summer solstice • synchronous rotation

42. The electromagnetic waves associated with different colors of light can be distinguished by their frequencies. • True • False

43. Compared to the human eye, telescopes can collect light over longer periods of time. • True • False

44. Telescopes are a technology that was first developed in the 1950’s. • True • False

45. This diagram shows the path of light in a refracting telescope. • True • False

46. Earth reflects a greater percentage of the Sun’s light that strikes it than does the Moon. • True • False

47. Basalt found in lunar maria has the same composition as basalt found on Earth. • True • False

48. Earth and its Moon both have a core composed of iron. • True • False

49. Using a Foucault pendulum reveals that Earth revolves around the Sun. • True • False

50. The frequency of an electromagnetic wave is related to its wavelength. • True • False