Unit 7 Review
Authored by Kendra Welsh
Science
8th Grade
NGSS covered
Used 7+ times
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16 questions
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1.
HOTSPOT QUESTION
1 min • 1 pt
Based on this diagram, which type of stars would belong to spectral class M and have
the highest luminosity?
Tags
NGSS.HS-ESS1-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A star that has a luminosity of 10-2 and a temperature of 20,000 K is most likely a —
Main Sequence
White Dwarf
Blue Giant
Red Giant
Tags
NGSS.HS-ESS1-3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement best explains why the sun appears brighter to people on Earth than any other star?
Sunlight reaches Earth’s atmosphere at an angle that causes the sun’s light rays to intensify.
Unique chemical reactions in the sun’s core produce a high-energy wavelength of light.
The sun burns at a higher temperature than any other star.
The sun is closer to Earth than any other star.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which student described these two celestial bodies correctly?
Student 1
Student 2
Student 3
Student 4
Tags
NGSS.HS-ESS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
With the use of the Hubble Space Telescope, scientists recently discovered a giant
runaway star. It is 90 times larger than the Sun and is very hot and blue-white in
color. Why does the Sun appear to be brighter than this runaway star when viewed
from Earth?
The Sun is closer to Earth than the runaway star.
The Sun is a different color than the runaway star.
The Sun is made of different elements than the runaway star.
The Sun is a different color than the runaway star.
6.
HOTSPOT QUESTION
1 min • 1 pt
A star that is several thousand times brighter than the Sun with a temperature lower
than 4,000 K would be classified as —
Select TWO correct answers.
Tags
NGSS.HS-ESS1-3
7.
DROPDOWN QUESTION
1 min • 1 pt
Two start are identified on the Hertzsprung-Russell diagram below. Based on this diagram Star 1 is (a) and (b) than Star 2
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