DB Star Life

DB Star Life

Assessment

Flashcard

Science

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the life cycle of an average star?

Back

The life cycle of an average star follows this sequence: protostar > main sequence > red giant > white dwarf.

2.

FLASHCARD QUESTION

Front

What determines the life cycle path a star will take?

Back

The mass of the star determines its life cycle path.

3.

FLASHCARD QUESTION

Front

Which star is the coldest?

Back

The coldest star is a Red Star.

4.

FLASHCARD QUESTION

Front

What happens to the density of water or air when its temperature increases?

Back

When the temperature of water or air increases, it becomes less dense and rises.

5.

FLASHCARD QUESTION

Front

What are the primary elements that most stars are made of?

Back

Most stars are primarily made of Hydrogen and Helium.

6.

FLASHCARD QUESTION

Front

Define a protostar.

Back

A protostar is a dense region within a nebula that begins to collapse under its own gravity, leading to the formation of a star.

7.

FLASHCARD QUESTION

Front

What is a main sequence star?

Back

A main sequence star is a star that is in the stable phase of its life cycle, where it fuses hydrogen into helium in its core.

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