General Science 2nd QTR Unit Test (Space & Biology)

The three pieces of evidence for our current theory of the universe are:

• blueshift, CMB, moon landing.
• redshift, IBM, Andromeda galaxy.
• redshift, CMB, distribution of elements.
• doppler effect, light spectra, fusion.

Tags

NGSS.HS-ESS1-2

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

The CMB is:

• the remaining energy from the big bang.
• incredibly hot.
• visible to the human eye.
• only located in certain places in the universe.

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.

The most abundant element in the universe today is:

• water
• hydrogen
• oxygen
• carbon

Tags

NGSS.HS-ESS1-2

The universe is expanding.  This means that:

• Galaxies are getting bigger.
• Atoms are getting bigger.
• The universe is creating more matter.
• The amount of space between galaxies is increasing.

Tags

NGSS.HS-ESS1-2

The outermost layer of the sun, which can only be seen during a solar eclipse, is the __________.

• Chromosphere
• Corona
• Phtosphere
• Radiative zone

Reddish loops or arches of plasma that link sunspots are called __________.

• Solar flares

• Prominences

• Sunspots

• Solar wind

What is the most common substance in the sun?

• Carbon dioxide
• Hydrogen
• Ozone
• Sodium

Tags

NGSS.MS-PS1-1