Life Cycle of Stars OALH

Do Now

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List the planets in order from furthest from the sun to closest to the sun

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2.What is the difference between a star and a planet?

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Recall Ohm’s law

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Which piece of equipment is used to measure force

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90% of his energy is turned into kinetic energy when he falls back down to the ground. What would be the velocity of the man as he lands on the ground?

Key Knowledge LCWC

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What is this called?

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How does the life cycle for ALL stars begin?

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What is formed at the end of the life cycle for a main sequence star?

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What is formed at the end of a life cycle for a massive star?

You Do: Summary Questions

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1)How do stars begin their life?

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What is this early stage of the star called?

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What elements will combine if the temperature gets high enough?

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After this, what is the star called?

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What happens to the stars that are about the same size as our sun?

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What happens when helium nuclei fuse?

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What happens when the red giant stops fusing helium?

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What is formed when the white dwarf stops releasing ANY energy?

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What happens when stars that are bigger than he sun run out of hydrogen?

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So far, nuclear fusion cannot make any element heavier than iron, so where do elements heavier than iron come from?

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After the supernova, what two objects can form?

Plenary

1

List the planets in order from furthest from the sun to closest to the sun

2.What is the difference between a star and a planet?

Recall Ohm’s law

Which piece of equipment is used to measure force

90% of his energy is turned into kinetic energy when he falls back down to the ground. What would be the velocity of the man as he lands on the ground?

What is this called?

How does the life cycle for ALL stars begin?

What is formed at the end of the life cycle for a main sequence star?

What is formed at the end of a life cycle for a massive star?

1)How do stars begin their life?

What is this early stage of the star called?

What elements will combine if the temperature gets high enough?

After this, what is the star called?

What happens to the stars that are about the same size as our sun?

What happens when helium nuclei fuse?

What happens when the red giant stops fusing helium?

What is formed when the white dwarf stops releasing ANY energy?

What happens when stars that are bigger than he sun run out of hydrogen?

So far, nuclear fusion cannot make any element heavier than iron, so where do elements heavier than iron come from?

After the supernova, what two objects can form?

Describe the main statges of the life cycle of a medium sized stable star