Earth Science Unit 1 Review

As a sound source moves toward you, its frequency will appear to ____.

• Increase

• Decrease

• Stay the same

Tags

NGSS.HS-PS4-1

The Doppler Effect is one piece of evidence we use to claim that the universe is _____.

• Static

• Expanding

• Contracting

Tags

NGSS.HS-ESS1-2

If a star is moving rapidly away from Earth, the frequency of light that we observe will be _____ the frequency it gives off.

• the same as

• higher than

• lower than

Tags

NGSS.HS-PS4-1

If a wave source is moving toward an observer, what type of shift will be observed?

• Red shift

• Blue shift

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

A star with a solar mass of 40 or greater will likely end in which stage?

• Black hole

• Protostar

• White Dwarf

• Neutron Star

A star that is fusing hydrogen into helium is in the longest phase of its life. We call this phase the _______.

• Spuernova

• White Dwarf

• Red Giant

• Main Sequence

On an H-R diagram, which variable is on the X axis?

• Temperature

• Size

• Mass

• Brightness

At which phase of its life is a white dwarf star?

• Immediately after star formation

• In the main sequence phase

• The late phase of a small mass star

• The remains of a large star's explosion

Our solar system has several terrestrial planets.  They include:

• Jupiter, Earth, Mars
• Venus, Mercury, Mars
• Saturn, Neptune, Uranus
• Pluto, Jupiter, Earth

Tags

NGSS.MS-ESS1-3

Why is the light from distant galaxies red-shifted?

• They produce more red light than nearby galaxies
• They are moving away from us
• The longer wavelengths are filtered out more by dust
• They are moving toward us

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1