Stars and the Solar System Practice Questions
Class 8 · Science · 1167 free MCQs with instant results and detailed explanations.
1167
Total
370
Easy
565
Medium
232
Hard
Start Practicing Stars and the Solar System
Take a timed quiz or customize your practice session
Topics in Stars and the Solar System
Artificial Satellites
250
Moon
207
Constellations
242
Solar System
219
Stars
249
Sample Questions from Stars and the Solar System
Here are 10 sample questions. Start a quiz to get randomized questions with scoring.
Q1
Easy
What is the primary reason the Moon appears to shine in the night sky?
A.
It generates its own light.
B.
It reflects sunlight.
C.
It absorbs light from Earth.
D.
It glows due to volcanic activity.
Show Answer & Explanation
Correct Answer: B
The Moon does not emit its own light; it reflects the light from the Sun, which is why we can see it at night.
Q2
Easy
What is the primary reason the Moon appears to shine at night?
A.
It emits its own light
B.
It reflects sunlight
C.
It absorbs light
D.
It glows in the dark
Show Answer & Explanation
Correct Answer: B
The Moon does not produce its own light; it reflects sunlight, making it visible at night.
Q3
Easy
Which phase of the Moon is characterized by a completely illuminated surface?
A.
New Moon
B.
Full Moon
C.
First Quarter
D.
Last Quarter
Show Answer & Explanation
Correct Answer: B
During a Full Moon, the entire face of the Moon facing the Earth is illuminated by sunlight.
Q4
Medium
What is the primary reason for the phases of the Moon as observed from Earth?
A.
The Moon changes its distance from the Earth.
B.
The angle of sunlight hitting the Moon changes.
C.
The rotation of the Earth affects the Moon's appearance.
D.
The Moon is made of different materials at different times.
Show Answer & Explanation
Correct Answer: B
The phases of the Moon occur due to the changing angle at which sunlight illuminates the Moon as it orbits Earth. This results in different portions of the Moon being visible from Earth.
Q5
Medium
Which of the following is NOT a phase of the Moon?
A.
Waxing Crescent
B.
Full Moon
C.
Gibbous Moon
D.
Red Moon
Show Answer & Explanation
Correct Answer: D
The 'Red Moon' is not an official phase; it refers to the appearance during a lunar eclipse.
Q6
Medium
How long does it take for the Moon to complete one orbit around the Earth?
A.
27.3 days
B.
29.5 days
C.
30 days
D.
31.5 days
Show Answer & Explanation
Correct Answer: A
The Moon takes approximately 27.3 days to complete one orbit around the Earth, which defines a sidereal month.
Q7
Medium
What causes the phenomenon of a lunar eclipse?
A.
Earth comes between the Moon and the Sun
B.
Moon comes between the Earth and the Sun
C.
Sun blocks the Earth
D.
Moon reflects sunlight
Show Answer & Explanation
Correct Answer: A
A lunar eclipse occurs when Earth passes directly between the Sun and the Moon, casting a shadow on the Moon.
Q8
Hard
What is the primary reason for the phases of the Moon?
A.
The Moon's distance from Earth
B.
The position of the Moon relative to Earth and the Sun
C.
The Earth's rotation
D.
The Moon's surface temperature
Show Answer & Explanation
Correct Answer: B
The phases of the Moon are caused by the changing positions of the Moon, Earth, and Sun, affecting how much of the Moon's surface is illuminated from our viewpoint.
Q9
Hard
Which of the following correctly describes a lunar eclipse?
A.
The Earth comes between the Sun and the Moon
B.
The Moon comes between the Sun and the Earth
C.
The Sun comes between the Earth and the Moon
D.
The Earth and Moon are aligned at right angles to the Sun
Show Answer & Explanation
Correct Answer: A
A lunar eclipse occurs when the Earth is positioned directly between the Sun and the Moon, blocking the sunlight that normally reflects off the Moon's surface.
Q10
Hard
How long does it take for the Moon to complete one full orbit around the Earth?
A.
27.3 days
B.
29.5 days
C.
30.5 days
D.
26.0 days
Show Answer & Explanation
Correct Answer: A
The Moon takes approximately 27.3 days to complete one orbit around the Earth, which is known as a sidereal month.
Showing 10 of 1167 questions. Start a quiz to practice all questions with scoring and timer.
Practice All 1167 Questions →More Science Chapters
1
Crop Production and Management
1212 Qs →
2
Microorganisms: Friend and Foe
1218 Qs →
3
Synthetic Fibres and Plastics
1197 Qs →
4
Materials: Metals and Non-Metals
1174 Qs →
5
Coal and Petroleum
1178 Qs →
6
Combustion and Flame
1092 Qs →
7
Conservation of Plants and Animals
1228 Qs →
8
Cell: Structure and Functions
1221 Qs →
Other Class 8 Subjects
Stars and the Solar System — Class 8 Science Practice Questions Online
This page contains 1167 practice MCQs for the chapter Stars and the Solar System in Class 8 Science. The questions are organized by difficulty — 370 easy, 565 medium, 232 hard — so you can choose the right level for your preparation.
Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 5 topics, giving you comprehensive coverage of the entire chapter.