Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

Tags

NGSS.HS-ESS1-2

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

• Red Shift

• Wave Length

• Spectrum

• Microwave

Tags

NGSS.HS-ESS1-2

Which elements are most abundant in the visible

universe?

• Hydrogen and Carbon

• Carbon and Helium

• Hydrogen and Oxygen

• Hydrogen and Helium

Galaxies that are redshifted are:

• actually blue.
• really far away.
• invisible.
• moving away from us.

Tags

NGSS.HS-ESS1-2

The universe is expanding!  This means that:

• all of the galaxies are spreading out.
• the universe must have started from a single point.
• the universe is cooling down.
• all of the above.

Tags

NGSS.HS-ESS1-2

Light waves that are stretched out by objects moving apart:

• have a shorter wavelength.
• travel faster than the speed of light.
• are invisible.
• appear more red.

Tags

NGSS.HS-PS4-1

The universe is ____________ years old.

• 8.13 billion
• 13.8 billion
• 1.83 billion
• 381 million

Tags

NGSS.HS-ESS1-2

What is true about these stars?

• Both of these stars are moving away from us.
• Both of these stars are moving towards us.
• Both of these stars are blueshifted.
• The star Sirius is closer to us.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

The change in wavelength of light or sound that is due to the relative motion of the source towards or away from an observer.

• Radar Effect
• Doppler Effect
• Light Effect
• Reflection

Tags

NGSS.HS-PS4-1

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

• Moving towards the Earth
• Moving away from the Earth
• This is a trick question that cannot be answered
• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-PS4-1