4.1 and 4.2 Key Terms (Astronomy)

4.1 and 4.2 Key Terms (Astronomy)

Assessment

Flashcard

Science

9th - 12th Grade

Hard

Created by

Anastasia Smith

FREE Resource

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14 questions

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1.

FLASHCARD QUESTION

Front

What is the Universe?

Back

All that exists everywhere, including all matter, energy, planets, stars, galaxies, and the space in which all of this exists.

2.

FLASHCARD QUESTION

Front

When did the universe begin?

Back

13.8 billion years ago.

3.

FLASHCARD QUESTION

Front

What is String Theory?

Back

A theory that unifies force and matter particles by suggesting that their fundamental units are one-dimensional filaments called strings.

4.

FLASHCARD QUESTION

Front

How many dimensions are theorized by physicists?

Back

11 dimensions.

5.

FLASHCARD QUESTION

Front

What does our place in the universe depend on?

Back

It depends on who we are, when we are, and what we know.

6.

FLASHCARD QUESTION

Front

What is the celestial sphere?

Back

An imaginary rotating sphere on which all objects of the night sky lie.

7.

FLASHCARD QUESTION

Front

How is the celestial sphere divided?

Back

It is divided into the northern and southern hemispheres.

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