The scale of the universe
6th grade (Year 7 in England) · 10 questions · Common Core: NGSS.MS-ESS1-2, NGSS.MS-ESS1-3, NGSS.5-ESS1-1 · England: KS3 Physics: Space physics
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Question 1
What is the Milky Way?
- A. a planet
- B. a moon of Jupiter
- C. the galaxy that contains our solar system
- D. a constellation of seven stars
Question 2
Light travels about 300 000 km every second. How far does it travel in 5 seconds, in km?
Answerkm
Question 3
What is a light-year?
- A. the distance light travels in one year
- B. the time it takes to orbit the Sun
- C. a very bright year
- D. the time light takes to reach the Moon
Question 4
Light travels about 300 000 km every second. How far does it travel in 5 seconds, in km?
Answerkm
Question 5
Which is the nearest star to Earth?
- A. the North Star (Polaris)
- B. Proxima Centauri
- C. the Sun
- D. Sirius
Question 6
Light travels about 300 000 km every second. How far does it travel in 60 seconds, in km?
Answerkm
Question 7
What is the Milky Way?
- A. a planet
- B. a constellation of seven stars
- C. a moon of Jupiter
- D. the galaxy that contains our solar system
Question 8
Light travels about 300 000 km every second. How far does it travel in 60 seconds, in km?
Answerkm
Question 9
What keeps the planets in orbit around the Sun?
- A. gravity
- B. friction
- C. magnetism
- D. wind
Question 10
The Sun is about 150 000 000 km away. Light travels at about 300 000 km/s. How many seconds does sunlight take to reach Earth?
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