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Life Cycle of a Star

Life Cycle of a Star

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What process marks the birth of a star?

Back

Nuclear fusion is the process that marks the birth of a star.

2.

FLASHCARD QUESTION

Front

What is a stellar nebula made up of?

Back

A stellar nebula is made up of clouds of gas and dust.

3.

FLASHCARD QUESTION

Front

What do H-R diagrams show about stars?

Back

H-R diagrams show the brightness and temperature of stars.

4.

FLASHCARD QUESTION

Front

In which stage do stars spend most of their life, fusing hydrogen into helium?

Back

Stars spend most of their life in the main-sequence stage.

5.

FLASHCARD QUESTION

Front

What is the term for the gigantic explosion that signifies the death of a large star?

Back

The term is supernova.

6.

FLASHCARD QUESTION

Front

What is nuclear fusion?

Back

Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

7.

FLASHCARD QUESTION

Front

What is a protostar?

Back

A protostar is a stage in the formation of a star, where gas and dust collapse under gravity but nuclear fusion has not yet begun.

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