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FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

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The reactions that provide energy and heat in the sun, or any star, are:

Fusion reactions.
Fissile reactions.
Implosive reactions.
Replacement reactions.
Radioactive reactions.

Explanation

Answer: A - Stars are powered by the fusion of hydrogen into helium, which creates a massive amount of energy. The fusion of hydrogen in stars is possible due to the large mass of the star, which creates a very strong gravitational force.

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FCAT Grade 8 Science Assessment Practice Questions

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FCAT Grade 8 Science Assessment Practice Questions

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