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8th Grade Chapter 4 and 5

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1.
1 point
____________ are semiconductor device used to produce electricity from sunlight
2.
1 point
Inferior planets are closer to the sun than the earth is
3.
1 point
The planets that are farther from the sun than the earth are celled _____________.
4.
1 point
The sun is composed mostly of what?
5.
1 point
The planet that is brighter than all the other planets is what?
6.
1 point
The astronomers tool that identifies chemical elements in an incandescent light sources.
7.
1 point
The distance from the crest of one wave to the crest of the next wave.
8.
1 point
_________________ developed the three laws of planetary motion.
9.
1 point
The movement of sunspots indicates that the sun is _____________ on its axis
10.
1 point
The diameter of the sun
11.
1 point
The layer of ionized particles in the earth’s atmosphere caused by the solar wind is called the _______________.
12.
1 point
Neutrinos travel at the speed of light
13.
1 point
Which of the following is not a characteristic of all known planets?
14.
1 point
All planets have basically the same composition
15.
1 point
Compared with the temperature of the photosphere, the temperature of the corona is what?
16.
1 point
A small percentage of the suns energy is in the form of neutral subatomic particles called ________________.
17.
1 point
The radiated energy of the sun travels mostly in the form of electromagnetic eaves.
18.
1 point
Which of the following is not a part of the solar atmosphere?
19.
1 point
Phobos and Deimos are moons of Mars
20.
1 point
Which of the following does not belong with the other?
21.
1 point
All planets appear as disks when viewed through a telescope
22.
1 point
The sun is located in the center of the Milky Way galaxy
23.
1 point
The ______________ is an instrument that astronomers use to produce an artificial solar eclipse when observing the sun’s atmosphere.
24.
1 point
The superior planets revolve more rapids than the earth does
25.
1 point
List the planets in order of increasing distance from the sun.
26.
1 point
The discovery of ______________ in (1846) was a confirmation of Newton’s law of gravitation because it was discovered less than one degree from it calculated position.
27.
1 point
On the average, a maximum number of sunspots occur every _________ years.
28.
1 point
In what part of the sun are the thermonuclear reactions believed to occur?
29.
1 point
Which planet is nearest to the earth at its point of closest approach?
30.
1 point
Which planet is noted for its great red spot?
31.
1 point
The sun's surface exits in a state of what matter?
32.
1 point
Which planet is 1 AU from the sun?
33.
1 point
Sunspots usually last no longer than several hours
34.
1 point
The earth is the third planet from the sun
35.
1 point
A person would weigh lesson on the planet Jupiter than on Earth
36.
1 point
One advantage of solar energy is that it is diffuse
37.
1 point
Io is a moon of juipter that has active volcanoes
38.
1 point
Which of the planets is the fastest moving?
39.
1 point
The temperature of the sunspot is ____________ than that the regions on the photosphere that surround them.
40.
1 point
Nearly all of the matter in the solar system is in the plasma state
41.
1 point
seething convection cells on the sun's surface are called what?
42.
1 point
Which of the following forms of electromagnetic radiation has the shortest wavelength?
43.
1 point
The element that was discovered in the sun before it was found on earth.
44.
1 point
Retrograde motion occurs when a planet blocks the light from a star
45.
1 point
Which of the following electromagnetic wavelengths can the human eye detect?
46.
1 point
The more ionizing that takes place in the earth’s outer atmosphere the better short radio waves are reflected which improves the range of radio broadcasts
47.
1 point
Severe solar storms that can disrupt telecommunications on Earth are called what?
48.
1 point
Solar wind is composed mostly of what high-speed particle?
49.
1 point
The most abundant element in the sun
50.
1 point
Photographs of knots of dust and gas in the eagle nebula prove that few stars are currently being formed.
51.
1 point
More than 60 naturally occurring elements have been identified in the sun
52.
1 point
Which of the following terms does not belong with the others?
53.
1 point
the distance from the sun to the earth
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