The Sun's Layers Quick Check

Question

1 of 41 of 4 Items
Question
Which is the origin of the sun’s energy?(1 point)
Responses

solar flares
solar flares

nuclear fusion
nuclear fusion

burning hydrogen
burning hydrogen

charged particles

Answer 1

nuclear fusion

Answer 2

The Sun's Layers Quick Check
2 of 42 of 4 Items
Question
How have astronomers formed their ideas about the layers of the sun?(1 point)
Responses

developing mathematical models based only on known data
developing mathematical models based only on known data

observing all the layers during total solar eclipses
observing all the layers during total solar eclipses

making direct observations of the sun's layers
making direct observations of the sun's layers

using theoretical models combined with known data

Answer 3

using theoretical models combined with known data

Answer 4

The Sun's Layers Quick Check
3 of 43 of 4 Items
Question
Two astronomers are viewing temperature data from each of the sun's layers, but the layers aren't identified. Describe one way the scientists can use temperature to identify which layer they are studying.(1 point)
Responses

The lowest temperatures are from the photosphere.
The lowest temperatures are from the photosphere.

The lowest temperatures are from the core.
The lowest temperatures are from the core.

The highest temperatures are from the corona.
The highest temperatures are from the corona.

The highest temperatures are from the radiative zone.

Answer 5

The lowest temperatures are from the core.

Answer 6

The Sun's Layers Quick Check
4 of 44 of 4 Items
Question
Which of the following protects Earth's atmosphere from solar wind?(1 point)
Responses

magnetosphere
magnetosphere

radiative zone
radiative zone

hydrogen atoms
hydrogen atoms

convection currents

Answer 7

magnetosphere