Unit 7 Review (The Universe)

Our solar system is located in the (a)   Way Galaxy.

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NGSS.MS-ESS1-2

Select ALL of the statements that are TRUE about the Big Bang Theory.

• It is the most widely accepted theory of how the universe began.

• It is supported by the red-shift of light observed through telescopes.

• States that the universe began as a singularity before it exploded outward

• States that the universe is collapsing on itself

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NGSS.HS-ESS1-2

What is the best definition of a supernova?

• the remains of the core of an average-sized star

• a super-bright explosion caused by the death of a massive star

• a relatively tiny area where gravity is so strong, not even light can escape

• a collection of stars, dust, and gas held together by gravity

Tags

NGSS.HS-ESS1-3

What is the best definition of a red-giant star?

• a super-bright explosion caused by the death of a massive star

• the remains of the core of an average-sized star

• forms when a massive star begins to cool and expand

• a relatively tiny area where gravity is so strong, not even light can escape

Tags

NGSS.HS-ESS1-3

The Milky Way Galaxy is a (a)   shape.

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NGSS.MS-ESS1-2

What is the best definition for a black hole?

• a relatively tiny area where the gravity is so strong, not even light can escape

• a super-bright explosion caused by the death of a massive star

• a cloud of star-forming dust and gas

• a collection of stars, dust, and gas held together by gravity

What is the best definition for a nebula?

• a collection of stars, dust, and gas held together by gravity

• a cloud of star-forming dust and gas

• a super-bright explosion caused by the death of a massive star

• the remains of a the core of an average-sized star

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NGSS.HS-ESS1-3

Which statements are TRUE about main-sequence stars. Select ALL that apply.

• Our Sun is one

• most stars in the universe are this type

• Can become a white dwarf when it dies

• Can explode into a supernova when it dies

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NGSS.HS-ESS1-3

NGSS.HS-ESS1-1

What is the best definition of a galaxy?

• forms when the outer layers of a massive star expands and cools

• a relatively tiny area where gravity is so strong, not even light can escape

• a collection of stars, dust, and gas held together by gravity

• a cloud of star-forming dust and gas

Select ALL statements that are TRUE about white dwarf stars.

• They are large and bright

• They are the remains of the core of a main-sequence star

• They are small and dim

• They are located in the bottom left-hand corner of an H-R diagram

Tags

NGSS.HS-ESS1-3