Space Science Semester 1 Review

Space Science Semester 1 Review

Assessment

Flashcard

Science

11th 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 occurs during nuclear fusion in the sun?

Back

Hydrogen nuclei combine to produce a helium nucleus.

2.

FLASHCARD QUESTION

Front

What is released when hydrogen nuclei fuse into helium nuclei?

Back

Energy is released.

3.

FLASHCARD QUESTION

Front

What is the force of gravity also known as?

Back

Weight.

4.

FLASHCARD QUESTION

Front

What is one astronomical unit (1 AU)?

Back

The average distance from the sun to Earth.

5.

FLASHCARD QUESTION

Front

What two gases compose 99% of Earth's atmosphere?

Back

Nitrogen and oxygen.

6.

FLASHCARD QUESTION

Front

What is nuclear fusion?

Back

A process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

7.

FLASHCARD QUESTION

Front

What is the primary source of energy for the sun?

Back

Nuclear fusion.

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