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Dark Energy

Authored by Lisa Thompson

Science

10th Grade

NGSS covered

Used 2+ times

Dark Energy
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The unknown force or energy which tends to accelerate the expansion of the universe is called ___

the faint force

dark energy

the shadow force

black energy

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

We think there's enough dark energy in space to ensure the expansion will ___

slow, stop, and then re-collapse

slow then stop

slow, but never quite reaches zero

continue forever

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the 1990s, astronomers studying distant supernovae found that the expansion of the universe was ___

indeterminable

constant

decelerating

accelerating

Tags

NGSS.HS-ESS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The Universe is expanding, and that expansion is ___

getting faster every day

getting slower every day

randomly changing

constant

Tags

NGSS.HS-ESS1-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a type of energy that opposes gravity and causes the expansion of the universe

dark energy

dark matter

electromagnetic

accelerating

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

On large scales, all the galaxies we see are moving away from each other as space ___

curves around them

remains static

contracts between them

expands between them

Tags

NGSS.HS-ESS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What percentage of the mass energy in the entire cosmos is dark energy?

33.8%

25%

50%

66.2%

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