The Earth, Moon, Mars and the giant planets
Answers are for parents and teachers.
1
When Mars is 60 million km away, how many seconds does a signal take? (60,000,000 : 300,000)
200
2
How many newtons does a 70 kg person weigh on the Moon (g = 1.6)? (70 · 16 : 10)
112
3
Galileo discovered Jupiter’s moons in 1610. 2026 – 1610 = ?
416
4
Why do terrestrial and giant planets differ in number of moons? Write briefly.
Giants are massive, with strong gravity, captured many bodies and had discs around them.
5
In which year did Ingenuity fly and why was it important?
April 2021; the first controlled flight on another planet.