CBSE Class 7 Science Earth, Moon, and the Sun (Class 7 NCERT New) Quiz 8

1. Which of the following words describe the phases of the moon?

A none, quarter, half, three quarters, full B new, crescent, quarter, gibbous, full C dark, light, half, quarter, blue D first quarter, second quarter, third quarter, fourth quarter

2. What moon phase is this picture?

A This is the waning crescent phase. B This is the waxing gibbous phase. C This is the waning gibbous phase. D This is the new moon phase.

3. What is this moon phase?

A This is the waxing crescent phase. B This is the full moon phase. C This is the waxing gibbous phase. D This is the last quarter moon.

4. What moon phase is this image?

A This is the full moon phase. B This is the last quarter moon phase. C This is the waxing gibbous moon. D This is the new moon phase.

5. What phase of the moon is this image?

A This is the last quarter moon phase. B This is the full moon phase. C This is the first quarter moon phase. D This is the waxing gibbous moon phase.

6. the path one object takes as it revolves (moves) around another object.

A gravity B orbit C rotate D axis

7. a natural satellite that orbits a planet.

A sun B atmosphere C moon D craters

8. to spin on an axis

A orbit B rotate C axis D atmosphere

9. a line, real or imaginary, around which something spins

A orbit B rotate C gravity D axis

10. Why is it necessary to add a day to the calendar every four years?

A The axis of the Earth is tilted. B The Moon crosses the orbit of the Sun every 28 days. C The gravitational pull of the Sun affects Earth's orbit. D The orbit of Earth is not exactly 365 days.