GCSE - Gcse Physics - Radioactivity - Nuclear Fusion Solution

Q.1.

When a star dies, which of the following could a star turn into?

Q.2.

Which of the following is an example of nuclear fusion?

Q.3.

Every star goes through a life cycle. What is this life cycle determined by?

Q.4.

How were most of the heavier elements in the universe created?

Q.5.

Which element was abundant in the early universe?

Q.6.

How can we detect black holes if we can't see them?

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We can see them when other stars shine on them
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We can detect their immense gravitation strength affecting other objects
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We can send probes into space and if we lose one we know it has entered a black hole
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There is no way to detect black holes

Q.7.

Why does a star not explode or collapse during the 'main sequence' of its life?

Q.8.

Which element is the main source of fuel that our sun uses for the process of nuclear fusion?

Q.9.

What force pulls dust and gas together in space to form stars?

Q.10.

What is nuclear fusion?

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Nuclear fusion is the separation of an atomic nucleus into two smaller nuclei
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Nuclear fusion is the joining of two atomic nuclei into one larger nucleus
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Nuclear fusion is the process by which atoms absorb energy
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Nuclear fusion occurs when atoms absorb electrons