Space Boot Camp5.8D:

Identify and compare the physical characteristics of the Sun, Earth and Moon.

MS ?’s start on #55

1. Sunspots appear to be darker than the rest of the sun’s surface because they are—

F partially hidden from viewG in the shadow of the sun’s coronaH cooler than the rest of the sun’s surfaceJ made of dark-colored minerals

TAKS 2003—#22 (42%)

1. Sunspots appear to be darker than the rest of the sun’s surface because they are—

F partially hidden from viewG in the shadow of the sun’s coronaH cooler than the rest of the sun’s surfaceJ made of dark-colored minerals

TAKS 2003—#22 (42%)

2. Which of these would best model how the sun’s energy warms Earth?

F A pot of water boilingG A heat lamp keeping food hotH An oven baking breadJ A spoon getting hot when stirring soup

TAKS 2003—#30 (56%)

2. Which of these would best model how the sun’s energy warms Earth?

F A pot of water boilingG A heat lamp keeping food hotH An oven baking breadJ A spoon getting hot when stirring soup

TAKS 2003—#30 (56%)

3. The surface of the sun is made of —

F gasesG solidsH liquidsJ energy

TAKS 2004—#14 (68%)

3. The surface of the sun is made of —

F gasesG solidsH liquidsJ energy

TAKS 2004—#14 (68%)

4. Which of these best shows the relationship between Earth, the moon, and the sun?

A C

B D

TAKS 2004—#23 (70%)

4. Which of these best shows the relationship between Earth, the moon, and the sun?

A C

B D

TAKS 2004—#23 (70%)

5. A rock is taken from the surface of the moon and brought to Earth. What is different about this rock on Earth?

A Its massB Its shapeC Its lengthD Its weight

TAKS 2004—#29 (68%)

5. A rock is taken from the surface of the moon and brought to Earth. What is different about this rock on Earth?

A Its massB Its shapeC Its lengthD Its weight

TAKS 2004—#29 (68%)

6. Which is a possible condition for an area of the moon that receives no light?

F Fog G Strong windsH Thunderstorms J Cold temperatures

TAKS 2008—#4 (Unused release item)

6. Which is a possible condition for an area of the moon that receives no light?

F Fog G Strong windsH Thunderstorms J Cold temperatures

TAKS 2008—#4 (Unused release item)

7. Which of these is the center of our solar system?

F Mars

G The moonH Jupiter J The sun

TAKS 2009—#18 (77%)

7. Which of these is the center of our solar system?

F Mars

G The moonH Jupiter J The sun

TAKS 2009—#18 (77%)

8. Which of the following can be found on both Earth and the moon?

F Hills G Thick atmosphereH Thunderstorms J Oceans

TAKS 2009—#26 (75%)

8. Which of the following can be found on both Earth and the moon?

F Hills G Thick atmosphereH Thunderstorms J Oceans

TAKS 2009—#26 (75%)

9. Which of the following happens in our solar system?

F Earth revolves around the sun once per day.G The moon revolves around Earth once per day.H Earth revolves around the sun once per year. J The moon revolves around Earth once per year.

TAKS 2009—#28 (72%)

9. Which of the following happens in our solar system?

F Earth revolves around the sun once per day.G The moon revolves around Earth once per day.H Earth revolves around the sun once per year. J The moon revolves around Earth once per year.

TAKS 2009—#28 (72%)

10. Which of the following processes takes place in the core of the sun?

A SunspotsB Solar flaresC Solar fusingD Nuclear fusion

10. Which of the following processes takes place in the core of the sun?

A SunspotsB Solar flaresC Solar fusingD Nuclear fusion

11. The outermost layer of the sun’s atmosphere is called the—

A coreB coronaC corollaD atmosphere

11. The outermost layer of the sun’s atmosphere is called the—

A coreB coronaC corollaD atmosphere

12. All energy that influences weather and causes plants to grow comes from –

A the moonB the EarthC the sunD electricity

12. All energy that influences weather and causes plants to grow comes from –

A the moonB the EarthC the sunD electricity

13. The sun is a medium-sized star made mostly of –

A heat and hydrogenB hydrogen and heliumC helium and oxygenD nitrogen and helium

13. The sun is a medium-sized star made mostly of –

A heat and hydrogenB hydrogen and heliumC helium and oxygenD nitrogen and helium

14. The sun produces big explosions of energy called –

A solar flaresB solar energyC geothermal energyD heat and light

14. The sun produces big explosions of energy called –

A solar flaresB solar energyC geothermal energyD heat and light

15. The sun is the center of the solar system. The sun is considered a—

A meteoriteB galaxyC coronaD star

15. The sun is the center of the solar system. The sun is considered a—

A meteoriteB galaxyC coronaD star

16. The sun is of great importance to the Earth. Which of the following is NOT a characteristic of the sun?

A The sun provides energy for the water cycle.B The sun heats the atmosphere causing wind.C The sun revolves around the Earth and the moon.D The sun provides solar energy for the Earth.

16. The sun is of great importance to the Earth. Which of the following is NOT a characteristic of the sun?

A The sun provides energy for the water cycle.B The sun heats the atmosphere causing wind.C The sun revolves around the Earth and the moon.D The sun provides solar energy for the Earth.

17. Solar energy comes from the sun. This type of energy is produced when hydrogen is converted to helium through nuclear reactions. Where on the sun does this process take place?

A In the sun’s coreB In the sun’s coronaC On the surface of the sunD In the sun’s atmosphere

17. Solar energy comes from the sun. This type of energy is produced when hydrogen is converted to helium through nuclear reactions. Where on the sun does this process take place?

A In the sun’s coreB In the sun’s coronaC On the surface of the sunD In the sun’s atmosphere

18. All of the following may be effects of the sun EXCEPT—

A a person’s skin may burn if they are outside in the sun too long

B the sun does not shine brightly at nightC the heat from the sun can be used to cook foodD the sun plays a major part in the water cycle

18. All of the following may be effects of the sun EXCEPT—

A a person’s skin may burn if they are outside in the sun too long

B the sun does not shine brightly at nightC the heat from the sun can be used to cook foodD the sun plays a major part in the water cycle

19. All of the following are true statements EXCEPT—

A the sun is solid like the EarthB the sun is much hotter than EarthC wind is caused by the sun’s heatingD light from the sun takes about 8 minutes

to reach the Earth

19. All of the following are true statements EXCEPT—

A the sun is solid like the EarthB the sun is much hotter than EarthC wind is caused by the sun’s heatingD light from the sun takes about 8 minutes

to reach the Earth

20. Why is the sun the only star that we usually see during the daytime?

A The other stars do not shine in the daytime.B The other stars are cooler during the daytime.C The sun is brighter because it is closer than the

other stars.D The Earth’s atmosphere makes it impossible to

see the other stars.

20. Why is the sun the only star that we usually see during the daytime?

A The other stars do not shine in the daytime.B The other stars are cooler during the daytime.C The sun is brighter because it is closer than the

other stars.D The Earth’s atmosphere makes it impossible to

see the other stars.

21. Which of the following tells one way stars such as the sun are different from planets?

A Stars give off their own light while planets do not.B Planets give off their own light while stars

do not.C Stars reflect light back from the planets.D Stars are rocky while most planets are gaseous.

21. Which of the following tells one way stars such as the sun are different from planets?

A Stars give off their own light while planets do not.B Planets give off their own light while stars

do not.C Stars reflect light back from the planets.D Stars are rocky while most planets are gaseous.

22. Which of the following best describes how hot it is on the surface of the sun?

A About as hot as boiling waterB About as hot magna from a volcanoC Much hotter than anything on EarthD About as hot as burning rocket fuel

22. Which of the following best describes how hot it is on the surface of the sun?

A About as hot as boiling waterB About as hot magna from a volcanoC Much hotter than anything on EarthD About as hot as burning rocket fuel

23. When comparing the Earth and the moon, which of the following statements is true?

A The moon is larger than the Earth.B The Earth is larger than the moon.C The Earth and the moon are the same size.D The moon is twice as big as the Earth.

23. When comparing the Earth and the moon, which of the following statements is true?

A The moon is larger than the Earth.B The Earth is larger than the moon.C The Earth and the moon are the same size.D The moon is twice as big as the Earth.

24. Which of the following features can be found on both the moon and the Earth?

A WaterB RiversC MountainsD Peninsulas

24. Which of the following features can be found on both the moon and the Earth?

A WaterB RiversC MountainsD Peninsulas

25. How is it possible for the moon to shine at night even though it produces no light?

A The moon have many craters filled with water.

B The moon is covered with a thin layer of ice.

C The moon rotates at a very high rate of speed.

D The moon reflects the light from the Sun.

25. How is it possible for the moon to shine at night even though it produces no light?

A The moon have many craters filled with water.

B The moon is covered with a thin layer of ice.

C The moon rotates at a very high rate of speed.

D The moon reflects the light from the Sun.

26. A match will not burn on the moon because there is—

A not enough waterB not enough gravityC not enough oxygenD not enough carbon dioxide

26. A match will not burn on the moon because there is—

A not enough waterB not enough gravityC not enough oxygenD not enough carbon dioxide

27. In photos taken from space the Earth appears to be blue, while the moon appears to be white. This difference in appearance occurs because—

A the Earth and the moon have different gases in their atmosphere

B there is more water on the surface of the Earth than on the moon

C a great deal of the Earth is covered by water, but there is none on the moon

D there are many more clouds surrounding the Earth than around the moon

27. In photos taken from space the Earth appears to be blue, while the moon appears to be white. This difference in appearance occurs because—

A the Earth and the moon have different gases in their atmosphere

B there is more water on the surface of the Earth than on the moon

C a great deal of the Earth is covered by water, but there is none on the moon

D there are many more clouds surrounding the Earth than around the moon

28. Which of these layers of the Earth is the thinnest?

A The outer coreB The inner coreC The mantleD The crust

28. Which of these layers of the Earth is the thinnest?

A The outer coreB The inner coreC The mantleD The crust

29. Which of the following is one way that the Earth and the moon are NOT the same?

A The moon has craters.B The moon has rocky dust.C The Earth rotates on its axis.D The Earth has an atmosphere.

29. Which of the following is one way that the Earth and the moon are NOT the same?

A The moon has craters.B The moon has rocky dust.C The Earth rotates on its axis.D The Earth has an atmosphere.

30. Which of the following statements is true about the moon?

A The moon orbits around the sun in about 28 days.

B Seasons on Earth are caused by the phases of the moon.

C Only one side of the moon is visible from the Earth.

D It takes the moon 365 days to orbit around the Earth.

30. Which of the following statements is true about the moon?

A The moon orbits around the sun in about 28 days.

B Seasons on Earth are caused by the phases of the moon.

C Only one side of the moon is visible from the Earth.

D It takes the moon 365 days to orbit around the Earth.

31. Which of the following is one reason that there are more craters on the surface of the moon than on the surface of the Earth?

A The moon has a stronger gravitational pull. More meteorites are pulled to its surface than to the Earth’s surface.B There is more water on the Earth’s surface than on the

moon’s surface. This water causes meteorites to explode.C The moon has little or no atmosphere. Meteorites heading to Earth burn up in its atmosphere before hitting the ground.D Meteorites are more likely to hit a small body in space,

such as the moon, than a larger body like the Earth.

31. Which of the following is one reason that there are more craters on the surface of the moon than on the surface of the Earth?

A The moon has a stronger gravitational pull. More meteorites are pulled to its surface than to the Earth’s surface.B There is more water on the Earth’s surface than on the

moon’s surface. This water causes meteorites to explode.C The moon has little or no atmosphere. Meteorites heading to Earth burn up in its atmosphere before hitting the ground.D Meteorites are more likely to hit a small body in space,

such as the moon, than a larger body like the Earth.

32. Which of the following statements best describes the Earth’s surface?

A The surface of the Earth looks exactly like it did thousands of years ago.

B The changes in the Earth’s surface occur for moon.

C The surface of the Earth is constantly changing.D All of the changes on the Earth’s surface

occur slowly.

32. Which of the following statements best describes the Earth’s surface?

A The surface of the Earth looks exactly like it did thousands of years ago.

B The changes in the Earth’s surface occur for moon.

C The surface of the Earth is constantly changing.D All of the changes on the Earth’s surface

occur slowly.

33. The Earth rotates on its axis and revolves around the sun. The moon rotates on its axis and revolves around the—

A sunB EarthC planetsD solar system

33. The Earth rotates on its axis and revolves around the sun. The moon rotates on its axis and revolves around the—

A sunB EarthC planetsD solar system

34. Like Earth, the moon’s core is most likely—

A solid rockB nitrogen gasC molten rockD full of craters.

34. Like Earth, the moon’s core is most likely—

A solid rockB nitrogen gasC molten rockD full of craters.

35. Why does the moon’s surface have more craters from meteorite strikes than the Earth’s surface?

A The moon has little or no atmosphere, so the meteorites reach its surface without burning up.

B The moon has a stronger gravitational pull than the Earth, so more meteorites strike there.

C Heat from the greenhouse effect on the Earth’s surface pushes the meteorites back into space.

D The Earth has many more buildings, trees, and other objects to block the path of any

meteorites.

35. Why does the moon’s surface have more craters from meteorite strikes than the Earth’s surface?

A The moon has little or no atmosphere, so the meteorites reach its surface without burning up.

B The moon has a stronger gravitational pull than the Earth, so more meteorites strike there.

C Heat from the greenhouse effect on the Earth’s surface pushes the meteorites back into space.

D The Earth has many more buildings, trees, and other objects to block the path of any

meteorites.

36. Astronauts weigh more on Earth than they do on the moon because—

A they have less mass on the moon.B their density decreases on the moon.C the moon has less gravity than Earth.D the moon has less friction than Earth.

36. Astronauts weigh more on Earth than they do on the moon because—

A they have less mass on the moon.B their density decreases on the moon.C the moon has less gravity than Earth.D the moon has less friction than Earth.

37. The moon has no light of its own, yet we see it shining in the night sky. How is this possible?

A Earth reflects light from the moon.B The moon reflects light from the sun.C Heat on the moon’s surface glows in the

night sky.D There are no clouds above the surface of

the moon.

37. The moon has no light of its own, yet we see it shining in the night sky. How is this possible?

A Earth reflects light from the moon.B The moon reflects light from the sun.C Heat on the moon’s surface glows in the

night sky.D There are no clouds above the surface of

the moon.

38. Compared to most stars and planets, our moon is relatively small. Why does the moon appear larger than most planets or stars?

A The moon is larger than most stars or planets.B The Earth is tilted on its axis toward the moon.C The planets and stars are larger than the moon.D The moon is closer to the Earth than the stars

or planets.

38. Compared to most stars and planets, our moon is relatively small. Why does the moon appear larger than most planets or stars?

A The moon is larger than most stars or planets.B The Earth is tilted on its axis toward the moon.C The planets and stars are larger than the moon.D The moon is closer to the Earth than the stars

or planets.

39. Which of the following describes a feature that is shared by Earth and the Moon?

A They have nearly the same atmosphere. B They have almost the same gravitational pull. C They have a rocky crust that includes mountains. D They have areas that show considerable water.

39. Which of the following describes a feature that is shared by Earth and the Moon?

A They have nearly the same atmosphere. B They have almost the same gravitational pull. C They have a rocky crust that includes mountains. D They have areas that show considerable water.

40. How would the measurable properties of a golf ball change if it were moved from Earth to the Moon?

A It would have the same mass, but a different weight.

B It would have the same weight, but a different mass.

C It would have the same density, but a different mass.

D It would have the same mass, but a different density.

40. How would the measurable properties of a golf ball change if it were moved from Earth to the Moon?

A It would have the same mass, but a different weight.

B It would have the same weight, but a different mass.

C It would have the same density, but a different mass.

D It would have the same mass, but a different density.

41. A scientist used a telescope to look at the moon. She saw large, round, dark areas on the Moon’s surface. Which of the following did she MOST LIKELY see?

A PlainsB ValleysC CratersD Oceans

41. A scientist used a telescope to look at the moon. She saw large, round, dark areas on the Moon’s surface. Which of the following did she MOST LIKELY see?

A PlainsB ValleysC CratersD Oceans

42. Which of the landforms listed below is found on the Earth, but NOT on the moon?

A MountainsB Impact cratersC Active volcanoesD Plains

42. Which of the landforms listed below is found on the Earth, but NOT on the moon?

A MountainsB Impact cratersC Active volcanoesD Plains

43. Why can we see stars at night and not during the day?

A There are no stars in the sky during the day.B The stars do not give off any light during the

day.C The stars give off light during the day and by

the time it reaches us, it is night.D The bright light of the Sun blocks out the light

of other stars.

43. Why can we see stars at night and not during the day?

A There are no stars in the sky during the day.B The stars do not give off any light during the

day.C The stars give off light during the day and by

the time it reaches us, it is night.D The bright light of the Sun blocks out the light

of other stars.

True of False:

44. The moon orbits around the sun in about 29.5 days/1 month.

True of False:

44. FALSE – moon orbits around the EARTH every 29.5 days/1 month

True of False:

45. Seasons on Earth are caused by the phases of the moon.

True of False:

45. FALSE – seasons are caused by the tilting of Earth

True of False:

46. Only one side of the moon is visible from the Earth.

True of False:

46. TRUE

True of False:

47. The moon has no light of its own—it reflects light from the Earth

True of False:

47. FALSE – the moon reflects light from the SUN

True of False:

48. The moon rotates on an axis as it revolves around the Earth.

True of False:

48. TRUE

True of False:

49. There is less gravity on the moon than on the Earth.

True of False:

49. TRUE

True of False:

50. There are mountains, hills and plains on the moon.

True of False:

50. TRUE

True of False:

51. It takes the moon about 29 days to orbit around the Earth.

True of False:

51. TRUE

52. Astronauts walking on the moon must wear helmets. What is different about the helmets on the moon?

A MassB ColorC WeightD Shape

53. Why are there no clouds on the moon? There is—

A no liquid water on the moonB no solar energy on the moonC no living things on the moonD no gravity on the moon

53. Why are there no clouds on the moon? There is—

A no liquid water on the moonB no solar energy on the moonC no living things on the moonD no gravity on the moon

54. Why do you see more impact craters on the moon’s surface than on the Earth’s surface?

A The moon is hit by more meteors since it is further out in space than Earth.B Meteors hitting the moon make deeper craters

than meteors hitting Earth.C The moon’s soil is softer than Earth’s, so the

craters are deeper.D Weathering and erosion smoothed out many

craters on the Earth’s surface.

54. Why do you see more impact craters on the moon’s surface than on the Earth’s surface?

A The moon is hit by more meteors since it is further out in space than Earth.B Meteors hitting the moon make deeper craters

than meteors hitting Earth.C The moon’s soil is softer than Earth’s, so the

craters are deeper.D Weathering and erosion smoothed out many

craters on the Earth’s surface.

55. Studies of the surface of the moon increased with Galileo’s invention of the –

A. microscopeB. telescopeC. cameraD. computer

55. Studies of the surface of the moon increased with Galileo’s invention of the –

A. microscopeB. telescopeC. cameraD. computer

56. While Earth is characterized as possessing an atmosphere with the ability to produce winds, the moon is characterized as –

A. having only a very thin atmosphereB. Possessing large bodies of liquid waterC. lacking surface dustD. possessing an atmosphere with large amounts of oxygen

56. While Earth is characterized as possessing an atmosphere with the ability to produce winds, the moon is characterized as –

A. having only a very thin atmosphereB. Possessing large bodies of liquid waterC. lacking surface dustD. possessing an atmosphere with large amounts of oxygen

57. Students know there are patterns in the natural world. One of these patterns is the relationship between the Sun, Earth, and Moon. Which of the following correctly explains the relationship of the Earth, Moon, and Sun?

A. Earth revolves around the Moon as Earth revolves around the Sun.

B. The Sun revolves around Earth as the Moon revolves around Earth.

C. The Moon revolves around Earth as Earth revolves around the Sun.

D. Earth revolves around the Moon as the Sun revolves around Earth.

57. Students know there are patterns in the natural world. One of these patterns is the relationship between the Sun, Earth, and Moon. Which of the following correctly explains the relationship of the Earth, Moon, and Sun?

A. Earth revolves around the Moon as Earth revolves around the Sun.

B. The Sun revolves around Earth as the Moon revolves around Earth.

C. The Moon revolves around Earth as Earth revolves around the Sun.

D. Earth revolves around the Moon as the Sun revolves around Earth.

58. Which of the following pairs could be classified as surface landscape for Earth but could NOT be classified as surface landscape for the moon?

A. Rocks, cratersB. Trees, dustC. Mountains, cratersD. Craters, dust

58. Which of the following pairs could be classified as surface landscape for Earth but could NOT be classified as surface landscape for the moon?

A. Rocks, cratersB. Trees, dustC. Mountains, cratersD. Craters, dust

59. The surfaces of the Earth, Moon, and Sun are described as having different physical characteristics. How is the Sun different from the Earth and Moon?

A. The Sun has no gravity.B. The Sun is a solid.C. The Sun does not produce its own heat.D. The Sun is capable of producing its own light.

59. The surfaces of the Earth, Moon, and Sun are described as having different physical characteristics. How is the Sun different from the Earth and Moon?

A. The Sun has no gravity.B. The Sun is a solid.C. The Sun does not produce its own heat.D. The Sun is capable of producing its own light.

60. We know that Earth consists of different layers. The Sun also has layers, but unlike Earth, the Sun is entirely –

A. SolidB. GasC. Melted rockD. Liquid

60. We know that Earth consists of different layers. The Sun also has layers, but unlike Earth, the Sun is entirely –

A. SolidB. GasC. Melted rockD. Liquid

61. Earth is like the Moon in many ways. One way the Moon is different from Earth is –

A. There is no weather on the MoonB. There are no craters on EarthC. There is no weather on EarthD. There is more gravity on the Moon

61. Earth is like the Moon in many ways. One way the Moon is different from Earth is –

A. There is no weather on the MoonB. There are no craters on EarthC. There is no weather on EarthD. There is more gravity on the Moon

62. All of the following are characteristics of both Earth and the Moon except –

A. Solid rocksB. CratersC. OceansD. Gravity

62. All of the following are characteristics of both Earth and the Moon except –

A. Solid rocksB. CratersC. OceansD. Gravity

63. Which layer of the Sun shown below is also a layer of Earth?

A. CoronaB. Convection zoneC. Radiative zoneD. Core

63. Which layer of the Sun shown below is also a layer of Earth?

A. CoronaB. Convection zoneC. Radiative zoneD. Core

64. Which statement does NOT correctly describe the Moon and Earth?

A. They both have craters, mountains, and plains.B. They both have gravity.C. They both can sustain life.D. They both rotate and revolve.

64. Which statement does NOT correctly describe the Moon and Earth?

A. They both have craters, mountains, and plains.B. They both have gravity.C. They both can sustain life.D. They both rotate and revolve.

64. Scientist who study the Sun are called astronomers. Our Sun gives us light, heat, and energy. Without the Sun, life on Earth would not exist. The sun is a normal star, but it is much closer to us than any other star. By studying the Sun we can learn more about –

A. Other planetsB. Other asteroidsC. Other starsD. Other satellites

64. Scientist who study the Sun are called astronomers. Our Sun gives us light, heat, and energy. Without the Sun, life on Earth would not exist. The sun is a normal star, but it is much closer to us than any other star. By studying the Sun we can learn more about –

A. Other planetsB. Other asteroidsC. Other starsD. Other satellites

65. The Sun and Earth are both constantly changing. Students researched and collected information to compare the Earth’s and Sun’s physical characteristics by observing detailed photographs of each on the Internet. Which of the following is a physical characteristic of the Sun but NOT of Earth?

A. SunspotsB. LayersC. AtmosphereD. Spherical shape

65. The Sun and Earth are both constantly changing. Students researched and collected information to compare the Earth’s and Sun’s physical characteristics by observing detailed photographs of each on the Internet. Which of the following is a physical characteristic of the Sun but NOT of Earth?

A. SunspotsB. LayersC. AtmosphereD. Spherical shape

65. An astronomer wrote several books on the effects of the Moon and Earth. He collected information by detailed observations over an extended period of time and then recorded his finding in a science journal. Which is the most important reason why a scientist would record the findings of a scientific investigation?

A. To provide evidence to support a conclusionB. To write a narrative encouraging people to visit the MoonC. To provide other scientists with interesting factsD. To encourage students to read about science

65. An astronomer wrote several books on the effects of the Moon and Earth. He collected information by detailed observations over an extended period of time and then recorded his finding in a science journal. Which is the most important reason why a scientist would record the findings of a scientific investigation?

A. To provide evidence to support a conclusionB. To write a narrative encouraging people to visit the MoonC. To provide other scientists with interesting factsD. To encourage students to read about science

66. Which of the following tools would be most useful for demonstrating and comparing characteristics of the Earth, Moon, and Sun?

A. MicroscopeB. Triple beam balanceC. TerrariumD. Model

66. Which of the following tools would be most useful for demonstrating and comparing characteristics of the Earth, Moon, and Sun?

A. MicroscopeB. Triple beam balanceC. TerrariumD. Model

66. Scale models are often used to compare the sizes of objects in space. Compared to the size of Earth, the Sun is 110 times bigger. Compared to Earth, the moon is 4 times smaller. Which combination of items should be used to make the closest scale model of Earth and Sun?

A. Beach ball and soccer ballB. Baseball and soccer ballC. Pea and soccer ballD. Basketball and soccer ball

66. Scale models are often used to compare the sizes of objects in space. Compared to the size of Earth, the Sun is 110 times bigger. Compared to Earth, the moon is 4 times smaller. Which combination of items should be used to make the closest scale model of Earth and Sun?

A. Beach ball and soccer ballB. Baseball and soccer ballC. Pea and soccer ballD. Basketball and soccer ball

67. Groups of students wrote comparisons about Earth, Moon, and Sun. Which comparison is correct?

A. #1B. #2C. #3D. #4

1 The Sun is made of molten metals. Earth is made of only metals. The moon is made of only solid rock.

2 The Sun has an atmosphere. The Moon does not have a viable atmosphere. Earth has an atmosphere.

3 The Sun has less gravity than the Moon and Earth. The Moon has more gravity than the Sun. Earth has more gravity than the Sun and Moon

4 The Sun is larger than Earth but smaller than the Moon. The Moon is smaller than Earth. Earth is larger than the Moon and Sun.

67. Groups of students wrote comparisons about Earth, Moon, and Sun. Which comparison is correct?

A. #1B. #2C. #3D. #4

1 The Sun is made of molten metals. Earth is made of only metals. The moon is made of only solid rock.

2 The Sun has an atmosphere. The Moon does not have a viable atmosphere. Earth has an atmosphere.

3 The Sun has less gravity than the Moon and Earth. The Moon has more gravity than the Sun. Earth has more gravity than the Sun and Moon

4 The Sun is larger than Earth but smaller than the Moon. The Moon is smaller than Earth. Earth is larger than the Moon and Sun.

66. Students designed an experiment to investigate how craters were formed on the Moon. The students put flour in a pan and covered the flour with a layer of cocoa powder. Then, students dropped the same size marbles from heights of 5 centimeters, 10 centimeters, and 20 centimeters. They measured the depth and width of each crater and recorded the data on a table. What was the independent variable of the investigation?

A. The amount of flourB. The cocoa powderC. The size of marbleD. The height from which the marbles were dropped.

66. Students designed an experiment to investigate how craters were formed on the Moon. The students put flour in a pan and covered the flour with a layer of cocoa powder. Then, students dropped the same size marbles from heights of 5 centimeters, 10 centimeters, and 20 centimeters. They measured the depth and width of each crater and recorded the data on a table. What was the independent variable of the investigation?

A. The amount of flourB. The cocoa powderC. The size of marbleD. The height from which the marbles were dropped.

67. According to the this information about moon rocks, you can conclude—

A. Moon rocks come in a variety of colorsB. Are easy to getC. Are valuableD. Are inexpensive

67. According to the this information about moon rocks, you can conclude—

A. Moon rocks come in a variety of colorsB. Are easy to getC. Are valuableD. Are inexpensive