keeping time with the skies chapter 11

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MCQ SCIENCE Class 8
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Important Questions SCIENCE Class 8
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Previous Years Papers SCIENCE Class 8
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SCIENCE Class 8

Keeping Time with the Skies Chapter 11

CBSE Board

Teacher Name : Rakesh
Total Questions : 14
Time Allowed : 60
Total Marks : 14

Q 1 :What is the purpose of artificial satellites?
- To block sunlight
- To create lunar phases
- To gather data and provide communication
- To orbit the Earth only
Q 2 :What is the main reason the Moon shines at night?
- It absorbs sunlight
- It is heated by the Earth
- It emits its own light
- It reflects sunlight
Q 3 :What is the term for the phase of the Moon when it is less than half illuminated and decreasing in illumination?
- Full Moon
- Waning gibbous
- Waning crescent
- Waxing crescent
Q 4 :How long does it take for the Moon to complete one full cycle of phases?
- Approximately 29.5 days
- 30 days
- 28 days
- 31 days
Q 5 :What phenomenon occurs when the Earth comes between the Sun and the Moon?
- New Moon
- Full Moon
- Lunar eclipse
- Solar eclipse
Q 6 :What causes the different phases of the Moon?
- The Earth's distance from the Moon
- The position of the Moon relative to the Earth and Sun
- The Earth's rotation
- The Sun's brightness
Q 7 :What is the primary function of weather satellites?
- To monitor weather patterns and collect data
- To communicate with spacecraft
- To measure the distance to the Moon
- To observe lunar phases
Q 8 :Which of the following is a characteristic of a waxing gibbous Moon?
- The Moon is completely dark
- Less than half of the Moon is illuminated
- More than half of the Moon is illuminated
- The Moon is in a crescent shape
Q 9 :Which of the following best describes the visibility of the Moon during the day?
- The Moon can be seen during the day depending on its phase and position
- The Moon is always visible during the day
- The Moon is never visible during the day
- The Moon can only be seen at night
Q 10 :During which phase of the Moon is it not visible from Earth?
- New Moon
- Last Quarter
- Full Moon
- First Quarter
Q 11 :What is the term for the phase of the Moon when it is completely illuminated?
- Crescent Moon
- Gibbous Moon
- Full Moon
- New Moon
Q 12 :What is the main difference between a solar and lunar calendar?
- Solar calendars are used for agriculture, while lunar calendars are not
- Solar calendars are based on the Earth's orbit around the Sun, while lunar calendars are based on the Moon's phases
- Solar calendars are more accurate than lunar calendars
- Solar calendars have 12 months, while lunar calendars have 13 months
Q 13 :Which of the following calendars is based on the phases of the Moon?
- Luni-solar calendar
- Lunar calendar
- Gregorian calendar
- Solar calendar
Q 14 :What is the significance of a leap year in a solar calendar?
- To adjust for lunar phases
- To add an extra month
- To synchronize with the Moon's cycle
- To account for the extra day in the Earth's orbit around the Sun

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