Black Holes

Black Holes

Assessment

Flashcard

Other Sciences

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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20 questions

Show all answers

1.

FLASHCARD QUESTION

Front

If a dying star's core is less than 1.4 times the mass of the Sun, it becomes ___

Back

a white dwarf

2.

FLASHCARD QUESTION

Front

If a dying star's core is between 1.4 and 2.8 times the Sun's mass, it becomes ___

Back

a neutron star

3.

FLASHCARD QUESTION

Front

If a dying star's core is more than 2.8 times the Sun's mass, it becomes ___

Back

a black hole

4.

FLASHCARD QUESTION

Front

For Earth, the escape velocity is about ___

Back

11 km per second

5.

FLASHCARD QUESTION

Front

A neutron star, with its immense gravity, can have an escape velocity that's up to ___

Back

half the speed of light

6.

FLASHCARD QUESTION

Front

Nothing can escape, not even light, once the core of a neutron star shrinks down to ___

Back

roughly 18 km

7.

FLASHCARD QUESTION

Front

The surface around a black hole, where the escape velocity is the speed of light, is called ___

Back

the event horizon

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