Moon Phases QuizOnline version Test your knowledge about the phases of the moon and their formation! by Nivedhitha Venkat 1 What causes the phases of the moon? a The Moon produces its own light b The Moon reflects the Sun's light c The Earth reflects the Moon's light d The Sun is the only light source 2 How long does it take for the Moon to complete one orbit around Earth? a 24 days b 29.5 days c 30 days d 365 days 3 What is the phase of the moon called when it is between the Earth and the Sun, and the side facing Earth is dark? a New Moon (Amavasya) b Full Moon (Pournami) c First Quarter d Waxing Crescent 4 Which phase of the moon occurs when the Moon has moved away from the New Moon position, and a small sliver of light becomes visible? a Full Moon b Waxing Crescent c Last Quarter d Waning Crescent 5 During which phase is half of the Moon’s illuminated side visible from Earth, and the Moon forms a 90° angle with Earth and the Sun? a First quarter b Full moon c Last quarter d Waxing Gibbous 6 In which phase does the Moon's illumination decrease after reaching the Full Moon phase? a Waxing Gibbous b Waning Crescent c Waning Gibbous d New Moon 7 What is the position of the Sun, Earth, and Moon during the Full Moon (Pournami) a Sun → Moon → Earth b Sun → Earth → Moon c Earth → Moon → Sun d Earth → Sun → Moon 8 During which phase does the Moon form a 90° angle with Earth and the Sun, but the illuminated half is on the opposite side compared to the first quarter? a New Moon b Full Moon c Last Quarter d Waxing Crescent 9 What is the phase called when only a thin crescent of the Moon is visible just before it transitions back to the New Moon? a Waxing Crescent b Waning Crescent c First Quarter d Full Moon 10 What are the spring tides most likely to occur? a During the New Moon and Full Moon b During the First and Third Quarters c During the Waxing Crescent and Waning Crescent d During the Waning Gibbous and Waxing Gibbous
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