TEST REVIEW: Unit 7: the universe

According to this HR Diagram, which stars listed below are brighter than the sun?

• Rigel

• Alpha Centauri B

• Sirius B

• Procyon

Tags

NGSS.HS-ESS1-3

Gravity holds galaxies together in clusters

• False

• True

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Very hot stars are what color?

• Blue

• Yellow

• Red

• Orange

Tags

NGSS.HS-ESS1-3

the spin of a body on its axis

• gravity

• rotation

• relative size

• relative distance

Tags

NGSS.MS-ESS1-1

Why is Big Bang a theory and not a law?

• Data has been gathered from testing and it has been proven

• There is evidence to suggest the expanding process

• The doppler shift proves Big Bang

• Relationships are described with proof from testing

Tags

NGSS.HS-ESS1-2

A large cloud of gas and dust in interstellar space; the predecessor to stars...

• Constellation
• Black hole
• Nebula
• Galaxy

A large grouping of stars in space

• moon

• galaxy

• planets

• comet

Use the Hertzsprung Russell Diagram to answer the following questions. A star that is several thousand time dimmer than the sun with a temperature higher than 6,000^oC and is white.

• Betelgeuse

• Deneb

• Sirius B

• Barnard's Star

Use the Hertzsprung Russell Diagram to answer the following question. Which of these observations of Procyon is most likely accurate?

• Procyon is less bright than the Sun, has a surface temperature below 5,000 ^oC, and is red orange.

• Procyon is brighter than the Sun, has a surface temperature below 5,000 ^oC, and is red orange.

• Procyon is brighter than the Sun, has a surface temperature of about 6,000 ^oC, and is yellow.

• Procyon is less bright than the Sun, has a surface temperature of about 6,000 ^oC, and is yellow

A large celestial body that revolves around a star in a solar system

• galaxy

• star

• planet

• nebulae

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3