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WorksheetsStars Lesson
Total questions: 36
Worksheet time: 33mins
Name
Class
Date
1.
Is the sun a star?
a)
yes
b)
no
2.
What is the closest star to the sun?
a)
Proxima Centauri
b)
Alpha Centauri A
c)
Alpha Centauri B
d)
Betelgeuse
3.
The color of the star tells us its
a)
composition
b)
Temperature
c)
Luminosity
d)
Mass
4.
The hottest color star is
a)
Blue
b)
White
c)
Yellow
d)
Red
5.
Our star is a
a)
yellow/ large star
b)
yellow/ small star
c)
yellow/ medium star
d)
orange/medium star
6.
The only objects in our Universe that produces and emits its own light is
a)
Nebulas
b)
Comets
c)
Planets
d)
Stars
7.
What do we use to classify the temperature, brightness, and size of stars?
a)
Color
b)
The star's shape
c)
H-R Diagram
d)
Lux meter
8.
Which measurements allows astronomers to compare the true brightness of stars?
a)
parallax
b)
red shift
c)
absolute magnitude
d)
apparent magnitude
9.
Which statement describes stars from coolest to hottest?
a)
blue, white, red, orange
b)
white, yellow, orange, red
c)
orange, yellow, blue white
d)
red, orange, yellow, white, blue
10.
Galaxies are composed of
a)
millions of stars
b)
trillions of stars
c)
billions of stars, dust and gas
11.
Because the Earth is 93 million miles from the Sun, the light from this star takes_____ to reach us.
a)
8 hours
b)
1 hour
c)
8 minutes
12.
True or False:
Star patterns are called constellations.
Star patterns are called constellations.
a)
T
b)
F
13.
What is the term used for a cloud of gas and dust?
a)
gas giant
b)
solar dust
c)
solar cloud
d)
nebula
14.
Which star has the lowest luminosity?
a)
A
b)
B
c)
C
d)
D
15.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
16.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
17.
Which statement best describes stars?
a)
Large planets that are composed mostly of gases
b)
Objects that form in the outer parts of the solar system
c)
Celestial bodies made up of gas that give off light
d)
Faint dots of light that can be seen from Earth’s surface
18.
The table compiles information about the distance of various stars from Earth, their apparent magnitude, and their absolute magnitude.
Which of the stars listed in the table above would look the brightest when observed from Earth?
Which of the stars listed in the table above would look the brightest when observed from Earth?
a)
Arcturus
b)
Rigel
c)
Aldebaran
d)
Sirius
19.
The table compiles information about the distance of various stars from Earth, their apparent magnitude, and their absolute magnitude.
Which star has the brightest absolute magnitude / luminosity?
Which star has the brightest absolute magnitude / luminosity?
a)
Rigel
b)
Sirius
c)
Betelgeuse
d)
Arcturus
20.
The table compiles information about the distance of various stars from Earth, their apparent magnitude, and their absolute magnitude.
Based on the information in the table, which of these statements is true?
Based on the information in the table, which of these statements is true?
a)
Sirius and Arcturus appear blue when observed from Earth.
b)
When observed from Earth, Rigel and Betelgeuse appear the dimmest.
c)
Aldebaran, Rigel, and Betelgeuse have lower luminosity than Sirius, Vega, and Arcturus do.
d)
Sirius looks the brightest from Earth, but Rigel has the greatest luminosity.
21.
The diagram shows the relationship between absolute magnitude and temperature in stars.
Which one of these conclusions can be drawn based on the graph?
Which one of these conclusions can be drawn based on the graph?
a)
Absolute magnitude is not related to the temperature of a star.
b)
Blue stars are farther from Earth than red stars
c)
Blue stars are generally hotter than red stars.
d)
A blue star will appear brighter from Earth’s surface than a red star.
22.
The diagram shows the relationship between absolute magnitude and temperature in stars.
The teacher gave Carly a list of four stars of different colors. Carly used the graph shown below to help compare the stars’ luminosity.
Based on the graph, a star of which color most likely has the lowest luminosity (is dimmer)?
The teacher gave Carly a list of four stars of different colors. Carly used the graph shown below to help compare the stars’ luminosity.
Based on the graph, a star of which color most likely has the lowest luminosity (is dimmer)?
a)
Red
b)
Blue
c)
Yellow
d)
White
23.
Ashni is a member of the astronomy club. During a trip to an observatory, the members of the astronomy club observe several different stars. Ashni records information about some of the stars in her journal. Of the following four stars, which star should Ashni label as the hottest?
a)
Wolf, red
b)
Vega, blue-white
c)
Cygni B, orange
d)
Ceti, yellow
24.
The table relates color and surface temperature for different stars.
During a class astronomy project, the teacher displayed a table similar to the one above that relates the color of a star to its surface temperature.
The teacher gave Kwan a card with the following description of a star:
Star A6,750 K
Based on the table above, what color should Kwan predict the star will be?
During a class astronomy project, the teacher displayed a table similar to the one above that relates the color of a star to its surface temperature.
The teacher gave Kwan a card with the following description of a star:
Star A6,750 K
Based on the table above, what color should Kwan predict the star will be?
a)
Red
b)
Blue
c)
Orange
d)
Yellow-white
25.
The table relates color and surface temperature for different stars.
A scientist discovers a new star. It is blue-white and is about 20,000 K. Which star is it most similar to?
A scientist discovers a new star. It is blue-white and is about 20,000 K. Which star is it most similar to?
a)
Sun
b)
Rigel
c)
Vega
d)
Canopus
26.
The table lists the characteristics of various stars.
Based on the information in the table, list the stars from dimmest to brightest when viewed from Earth’s surface.
Based on the information in the table, list the stars from dimmest to brightest when viewed from Earth’s surface.
a)
D, A, B, C
b)
D, B, C, A
c)
A, B, C, D
d)
A, C, B, D
27.
During a class project, Sofia made a scale drawing—similar to the illustration—showing the sizes of various stars. Then Sofia made a chart for four of the stars, using the names of the stars for column headings. She listed the stars in order from smallest to largest. (Note: Alshain is 3.2 not 32)
Which of the following shows how the stars’ names appeared on Sofia’s chart?
Which of the following shows how the stars’ names appeared on Sofia’s chart?
a)
Hamal, Polaris, Shedir, Arneb
b)
Arneb, Hamal, Polaris, Shedir
c)
Hamal, Delta Bootis, Alshain, sun
d)
Xi Ursa Majoris, Polaris, Hamal, Delta Bootis
28.
The electromagnetic spectrum consists of the entire range of electromagnetic waves. Which of the following is not part of the electromagnetic spectrum?
a)
X-rays
b)
Red light
c)
Refraction
d)
Ultraviolet (UV) ight
29.
Different types of electromagnetic waves have different wavelengths. Which of these electromagnetic waves has the longest wavelength and the least amount of energy?
a)
X-rays
b)
Radio waves
c)
Gamma rays
d)
Ultraviolet (UV) light
30.
Not all electromagnetic waves can be detected by the human eye. Which of these choices is an example of this type of electromagnetic wave?
a)
Red light
b)
Blue light
c)
Violet light
d)
Ultraviolet light
31.
Star systems are made up of a single star or a small number of stars that orbit each other. The table below summarizes the number of stars in some star systems and gives examples of each type of system.
Carlos is studying a star system that appears to have two stars. When a more powerful telescope provides a better image, he discovers that both of the stars are actually two stars. With which other star system would he classify this system?
Carlos is studying a star system that appears to have two stars. When a more powerful telescope provides a better image, he discovers that both of the stars are actually two stars. With which other star system would he classify this system?
a)
Sun
b)
Mizar
c)
Polaris
d)
Castor
32.
Gloria is at the observatory and is examining a newly discovered star through a powerful telescope. She wants to find out how bright the star actually is. What information does she need to calculate the absolute magnitude of a star?
a)
Color of the star
b)
Color and composition of the star
c)
Color and distance from Earth of the star
d)
Apparent magnitude and distance from Earth of the star.
33.
Different types of electromagnetic waves have different wavelengths. Which of these electromagnetic waves has the shortest wavelength?
a)
X-rays
b)
Radio waves
c)
Gamma rays
d)
Ultraviolet light
34.
How does the original mass of a star affect the length of the life cycle of the star?
a)
Larger stars live longer because they have more fuel to burn.
b)
Smaller stars live longer because they don't need as much fuel.
c)
Medium size stars, or low mass stars, live longer because they have plenty of fuel and don't burn it all up.
d)
Brown dwarfs because they burn at a cool temperature.
35.
What is the relationship between wavelength, frequency and energy?
a)
As wavelength increases, frequency increases, but energy decreases
b)
As wavelength decreases, frequency increases, and energy increases
c)
As wavelength increases, frequency decreases, but energy increases
d)
As wavelength increases, frequency increases, but energy decreases
36.
Which of the following is not true of a stellar black hole?
a)
It is the leftover core of a massive star
b)
It occurs after a supernova
c)
The stellar, or solar, wind causes the star to become a black hole
d)
Gravity is so strong that light cannot escape
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