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Unit 4 - Our Universe

Unit 4 - Our Universe

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 is a super giant star?

Back

A super giant star is a massive star that is very bright and can be cool in temperature.

2.

FLASHCARD QUESTION

Front

What happens to a star when it runs out of hydrogen?

Back

It expands and cools, becoming a red giant.

3.

FLASHCARD QUESTION

Front

What force causes dust particles to stick together in a nebula?

Back

Gravity is the force that causes dust particles to stick together in a nebula.

4.

FLASHCARD QUESTION

Front

What type of galaxy is characterized by spiral arms?

Back

A spiral galaxy is characterized by its spiral arms.

5.

FLASHCARD QUESTION

Front

What happens to stars as we move to the left on the Hertzsprung-Russell diagram?

Back

Stars get hotter as we move to the left.

6.

FLASHCARD QUESTION

Front

Define a red giant star.

Back

A red giant star is a star that has expanded and cooled after exhausting its hydrogen fuel.

7.

FLASHCARD QUESTION

Front

What is the main force that holds galaxies together?

Back

Gravity is the main force that holds galaxies together.

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