Earth S2 Unit 5 Review

Which layer of the sun is only seen during a total solar eclipse?

• core

• photosphere

• corona

• convective zone

Answer explanation

Tags

NGSS.MS-ESS1-1

Which of the following solar phenomena is thought to cause short term climate changes?

• sunspots

• solar flares

• solar winds

• prominences

Answer explanation

How long does it take the moon to rotate on its axis?

Responses

• about 25.3 days

• about 27.3 days

• about 30 days

• about 2 months

Answer explanation

During which phase of the moon may a lunar eclipse occur?

• new moon

• first quarter moon

• full moon

• third quarter moon

Answer explanation

Tags

NGSS.MS-ESS1-1

When do spring tides occur?

• during a new moon

• during a first quarter moon

• during a waxing gibbous moon

• during a waning crescent moon

Answer explanation

Tags

NGSS.MS-ESS1-1

Which explanation accounts for where rocky planets formed?

• Heavy elements form in the outer regions of the disk due to the spinning protostar.

• The inner portions of the disk are warm from the protostar making the heavy elements remain there.

• Heavy elements spin into the outer regions of the disk due to their mass.

• The inner portions of the disk are cold from the protostar making the heavy elements remain there.

Answer explanation

Which of the following indicates that the universe is expanding?

• The spectra of Cepheid variables, which are found only in our galaxy, are red shifted.

• The spectra of Cepheid variables, which are found in all galaxies, are red shifted.

• The spectra of Cepheid variables, which are found only in our galaxy, are blue shifted.

• The spectra of Cepheid variables, which are found in all galaxies, are blue shifted.

Answer explanation

Tags

NGSS.HS-ESS1-2

In what way does the sun's gravity act on any body in orbit?

• pulls it forward in its orbit

• pulls it toward the sun

• pulls it away from the sun

• pulls it backward in its orbit

Answer explanation

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which type of path do planets follow around the sun?

• circle

• square

• ellipse

• triangle

Answer explanation

Tags

NGSS.MS-ESS1-2

Which of the following is used to determine the temperature of a star?

• absorption spectrum

• Doppler shift

• emission spectrum

• refraction

Answer explanation

Tags

NGSS.HS-PS4-4