Curriculum
Course: Alhussan Physics — Stage 7
Login

Curriculum

Alhussan Physics — Stage 7

Chapter 1: Energy

0/19

Chapter 2: Forces

0/16

Chapter 3: Sound

0/10

Chapter 4: Electricity

0/15

Chapter 5: The Earth in Space

0/22
Quiz

Physics 5.3 The night sky — Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 50
  • Passing grade: B+
Start Quiz
1.
Meteors seen per hour during a shower. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
2.
Meteors seen per hour during a shower. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
3.
A city shows 100 stars and a desert 2500. How many times more in the desert?
2600 times
25 times
250 times
2400 times
4.
Artificial satellites in orbit (thousands). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
5.
Stars visible by sky location. Which has the smallest value?
Dr Dabour Hub Academy - figure 4
Suburb
Desert
City centre
Village
6.
Halley's comet returns every 76 years. Last seen 1986. Next?
1910
2062
76
2000
7.
Which is the correct definition of “Planet”?
Large body orbiting a star that has cleared its orbit.
Mercury, Venus, Earth and Mars: rocky.
Path of one body around another.
Movement that seems to happen but is caused by our motion.
8.
Meteors seen per hour during a shower. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
9.
Which statement is NOT correct?
Most dots of light in the night sky are stars.
Stars are the only night-sky objects that continuously give out light.
Planets twinkle strongly.
Stars twinkle because light changes direction in the atmosphere.
10.
Which term matches this definition? “Large body orbiting a star that has cleared its orbit.”
Solar eclipse
Planet
New Moon
Satellite
11.
Satellites rose from 1.0 to 8.0 thousand. Percentage increase?
88%
800%
7%
700%
12.
Which statement is correct?
Planets give out their own light.
Shooting stars are falling stars.
The Moon is luminous.
Stars are grouped into constellations.
13.
A city shows 100 stars and a desert 3000. How many times more in the desert?
3100 times
300 times
2900 times
30 times
14.
Which is the correct definition of “Light year”?
Distance light travels in a year.
Season when a hemisphere tilts towards the Sun.
The Sun and everything orbiting it.
Starlight changing direction in the atmosphere.
15.
Meteors seen per hour during a shower. Between which two values of "Night" did "Meteors per hour" change the most?
Dr Dabour Hub Academy - figure 6
10 Aug and 11 Aug
12 Aug and 13 Aug
11 Aug and 12 Aug
13 Aug and 14 Aug
16.
Which statement is NOT correct?
Stars twinkle because light changes direction in the atmosphere.
The nearest star after the Sun is about 4 light years away.
The nearest star is 400 light years away.
The Sun is a star.
17.
Which statement is correct?
Stars twinkle because light changes direction in the atmosphere.
Venus is a star.
Planets twinkle strongly.
Planets give out their own light.
18.
Which is the correct definition of “Twinkling”?
About 29.5 days between new Moons.
Distance light travels in a year.
Time for one orbit.
Starlight changing direction in the atmosphere.
19.
Which statement is correct?
Comet tails point towards the Sun.
Stars move against the planets.
Shooting stars are actually meteors.
The nearest star is 400 light years away.
20.
90 meteors per hour for 4 hours. Total?
94
360
22
3600
21.
Stars visible by sky location. About how many times bigger is Desert than City centre?
Dr Dabour Hub Academy - figure 7
62.2
31.1
93.4
124.5
22.
Distance to nearby stars (light years). What is the value for Vega?
Dr Dabour Hub Academy - figure 8
430.0
25.0
4.2
8.6
23.
Artificial satellites in orbit (thousands). Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 9
A
B
C
D
24.
45 meteors per hour for 2 hours. Total?
22
900
90
47
25.
Distance to nearby stars (light years). What is the total of all the values?
Dr Dabour Hub Academy - figure 10
467.8
515.6
420.0
430.0
26.
Artificial satellites in orbit (thousands). Between which two values of "Year" did "Satellites (thousands)" change the most?
Dr Dabour Hub Academy - figure 11
2000 and 2010
2010 and 2015
2015 and 2020
2020 and 2023
27.
Stars visible by sky location. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
28.
Which is the correct definition of “Constellation”?
Time for one orbit of the Sun: about 365 days.
Group of stars forming a pattern.
The Sun and everything orbiting it.
Streak of light from rock burning in the atmosphere.
29.
Which is the correct definition of “Satellite”?
Rocks orbiting between Mars and Jupiter.
Object orbiting a planet.
Phase when the whole lit side faces Earth.
When the Sun appears in the east.
30.
Which statement is correct?
The nearest star is 400 light years away.
Venus is a star.
Comets have a tail when near the Sun.
Comet tails point towards the Sun.
31.
Which is the correct definition of “Meteor”?
Moon blocks the Sun; Moon between Sun and Earth.
Day with equal day and night.
Streak of light from rock burning in the atmosphere.
Season when a hemisphere tilts away from the Sun.
32.
Light takes 8.6 years to reach us from a star. Distance in light years?
8.6 ly
3139.0 ly
17.2 ly
4.3 ly
33.
Which statement is NOT correct?
Stars twinkle because light changes direction in the atmosphere.
Light pollution helps stargazing.
Stars are grouped into constellations.
A comet's tail points away from the Sun.
34.
Which term matches this definition? “Ball of gas giving out its own light.”
Long-exposure photo
Star
Season
New Moon
35.
Artificial satellites in orbit (thousands). At what value of "Year" is "Satellites (thousands)" greatest?
Dr Dabour Hub Academy - figure 13
2010
2015
2023
2000
36.
Which planets can be seen with the naked eye?
Mercury, Venus, Mars, Jupiter and Saturn
None
Only Earth
Uranus and Neptune
37.
Planets ____ against the background stars.
twinkle strongly
stay fixed
vanish
move
38.
Planets are seen because they ____ sunlight.
reflect
make
block
absorb
39.
GPS uses ____.
satellites
stars
meteors
comets
40.
Light from stars takes ____ to reach us.
hours
minutes
years
seconds
41.
A comet's tail points ____ the Sun.
around
under
away from
towards
42.
Most dots of light in the night sky are ____.
planets
satellites
stars
comets
43.
True or false? Meteors are rocks burning in the atmosphere.
True
False
44.
True or false? Stars are grouped into constellations.
True
False
45.
True or false? Planets usually do not twinkle.
True
False
46.
True or false? We see planets because they reflect sunlight.
True
False
47.
True or false? Light pollution makes stars harder to see.
True
False
48.
True or false? The nearest star is 400 light years away.
True
False
49.
True or false? GPS uses satellites.
True
False
50.
True or false? The Sun is not a star.
True
False
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Chapter 5: The Earth in Space — see every lesson and quiz in this unit.
Accepted payment methods