This question is about the life cycle of the Sun - OCR Gateway - GCSE Physics - Question 16 - 2023 - Paper 2
Question 16
This question is about the life cycle of the Sun.
(a) (i) Draw lines to connect each stage in the life cycle of the Sun with its correct description.
Stage
nebula... show full transcript
Worked Solution & Example Answer:This question is about the life cycle of the Sun - OCR Gateway - GCSE Physics - Question 16 - 2023 - Paper 2
Step 1
Draw lines to connect each stage in the life cycle of the Sun with its correct description.
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Answer
nebula - A mass of interstellar dust and gas.
red giant - A low temperature star with a diameter much larger than the Sun.
white dwarf - A star producing no radiation formed from a white dwarf.
black dwarf - A star that has used most of its nuclear fuel and has collapsed.
Step 2
Which stage in the lifecycle of the Sun is missing from part (a)(i)?
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Answer
main sequence star
Step 3
What causes a nebula to collapse to form a star?
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Answer
gravity
Step 4
Complete the sentence to describe the forces acting in the Sun at the current stage in its lifecycle.
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Answer
The gravitational force is greater than the outward force.
Step 5
Which diagram shows nuclear fusion?
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Answer
B
Step 6
Which diagram shows nuclear fission?
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