eurekami

10th grade space

10th grade (Year 11 in England) · 11 questions · Common Core: NGSS.HS-ESS1-1, NGSS.HS-ESS1-3 · England: KS3 Physics: Space physics, KS4 Physics: Space physics (separate science)

Name

Date

Score/ 11

1
Question 1
What process releases energy in the core of a star?
- A. chemical reactions with oxygen
- B. nuclear fusion of hydrogen into helium
- C. nuclear fission of uranium
- D. burning coal
2
Question 2
In the life cycle of a star much more massive than the Sun, what comes straight after "supernova"?
- A. protostar
- B. neutron star or black hole
- C. nebula
- D. red supergiant
3
Question 3
Why is a main sequence star stable for billions of years?
- A. Gravity pulling in is balanced by pressure from fusion pushing out
- B. It stops fusion
- C. It has no gravity
- D. It is cold inside
4
Question 4
In the life cycle of a star much more massive than the Sun, what comes straight after "red supergiant"?
- A. supernova
- B. neutron star or black hole
- C. protostar
- D. nebula
5
Question 5
What will the Sun become at the end of its life?
- A. a planet
- B. a white dwarf
- C. a black hole
- D. a supernova
6
Question 6
In the life cycle of a star much more massive than the Sun, what comes straight after "main sequence star"?
- A. neutron star or black hole
- B. red supergiant
- C. supernova
- D. protostar
7
Question 7
Why is a main sequence star stable for billions of years?
- A. It is cold inside
- B. It has no gravity
- C. It stops fusion
- D. Gravity pulling in is balanced by pressure from fusion pushing out
8
Question 8
In the life cycle of a star like the Sun, what comes straight after "main sequence star"?
- A. white dwarf
- B. nebula (cloud of dust and gas)
- C. red giant
- D. protostar
9
Question 9
Where were elements heavier than iron made?
- A. by plants
- B. in supernova explosions and neutron-star collisions
- C. in the Earth's oceans
- D. in ordinary fires
10
Question 10
In the life cycle of a star much more massive than the Sun, what comes straight after "supernova"?
- A. nebula
- B. main sequence star
- C. protostar
- D. neutron star or black hole
11
Question 11
Why is a main sequence star stable for billions of years?
- A. It has no gravity
- B. Gravity pulling in is balanced by pressure from fusion pushing out
- C. It is cold inside
- D. It stops fusion

All done? Color in the animal! · Free from eurekami.com/math

for the adult only

Answer key: 10th grade space

1. B. nuclear fusion of hydrogen into helium
2. B. neutron star or black hole
3. A. Gravity pulling in is balanced by pressure from fusion pushing out
4. A. supernova
5. B. a white dwarf
6. B. red supergiant
7. D. Gravity pulling in is balanced by pressure from fusion pushing out
8. C. red giant
9. B. in supernova explosions and neutron-star collisions
10. D. neutron star or black hole
11. B. Gravity pulling in is balanced by pressure from fusion pushing out