(8) Fall Semester Exam

(8) Fall Semester Exam

Assessment

Flashcard

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Practice Problem

Hard

Created by

Wayground Content

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70 questions

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1.

FLASHCARD QUESTION

Front

What is the primary factor that determines the life cycle of a star? Options: the mass of the star, the presence of planets around the star, the location of the star in the galaxy, the amount of helium in the star

Back

the mass of the star

2.

FLASHCARD QUESTION

Front

A star is "born" when nuclear ____ begins.

Back

Fusion

3.

FLASHCARD QUESTION

Front

Stars spend most of their life in the ___ phase.

Back

main sequence

4.

FLASHCARD QUESTION

Front

Inside a nebula are regions where gravity pulls together gas and dust into a ___.

Back

protostar

5.

FLASHCARD QUESTION

Front

Which color star is the coolest? Options: red, blue, purple, yellow

Back

red

6.

FLASHCARD QUESTION

Front

What is meant by a star's magnitude?

Back

the brightness or luminosity of a star

7.

FLASHCARD QUESTION

Front

How does the chemical formula of O₂ indicate that it is an element?

Back

It only has one type of atom.

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