Earth and space - JSS1 Basic science Past Questions and Answers - page 1
1
What is the main celestial body in our solar system?
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A
Earth
B
Moon
C
Sun
D
Mars
2
What causes day and night on Earth?
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A
Solar flares
B
Rotation on its axis
C
Revolution around the Moon
D
Eclipse
3
What phenomenon occurs when the Moon blocks sunlight from reaching the Earth?
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A
Solar eclipse
B
Lunar eclipse
C
Tidal wave
D
Meteor shower
4
How long does it take for Earth to complete one revolution around the Sun?
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A
24 hours
B
1 month
C
365.25 days
D
7 days
5
What causes the change in seasons on Earth?
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A
Distance from the Sun
B
Tilt of Earth's axis
C
Rotation speed
D
Moon's gravitational pull
6
Which type of eclipse occurs when the Moon blocks the Sun's light?
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A
Solar eclipse
B
Lunar eclipse
C
Total eclipse
D
Partial eclipse
7
What is a satellite?
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A
A planet
B
A star
C
An object orbiting a larger celestial body
D
A comet
8
What is the main purpose of communication satellites?
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A
Monitoring weather
B
Broadcasting TV signals
C
Studying planets
D
Tracking asteroids
9
Which technology relies on satellites for accurate positioning and navigation?
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A
Radar
B
Sonar
C
GPS
D
Telescope
10
What is the significance of Earth observation satellites?
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A
Studying distant galaxies
B
Monitoring climate change
C
Broadcasting radio signals
D
Exploring deep-sea trenches
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