The Sun Answers

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1
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Which elements are the main components of the Sun?

A
carbon and oxygen
B
nitrogen and hydrogen
C
hydrogen and helium
D
helium and neon
2
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The local newspaper has published the passage below.Last week, scientists released incredible images of aurora australis, known as the northern lights. The images show a beautiful display of lights. These lights are the result of the solar activity known as solar wind. The particles of the solar wind flow along the lines of Earth’s magnetic field and collide with gas atoms in Earth’s atmosphere. Light is given off as a result of these collisions. Traces of solar wind reach well beyond Earth and have been detected as far as Saturn.Which statement is inaccurate?

A
Solar wind particles flow along the lines of Earth’s magnetic field.
B
Light is given off when solar wind particles and gas atoms collide.
C
The aurora australis is known as the northern lights.
D
Solar winds reach well beyond our planet.
3

In order to recreate the process of energy production that takes place in the Sun, scientists use

A
hydrogen gas and add heat and pressure.
B
helium gas and remove heat and pressure.
C
hydrogen gas, add heat, and remove pressure.
D
helium gas, remove heat, and add pressure.
4

Dr. Tate and Dr. Ramirez are observing the effects of a type of solar activity that has reached the planet Jupiter. What solar activity are they observing?

A
solar flares
B
sunspots
C
prominences
D
solar winds
5

Saki went on vacation and was fortunate enough to get to see the aurora australis. What solar activity did she observe?

A
solar flares
B
sunspots
C
prominences
D
solar winds
6

Raj is trying to make a diagram to show what he has learned about nuclear fusion.Is his diagram correct, and if not, how could he fix it?

Question illustration
A
Yes, he should leave it as is because one atom of He plus energy results in two atoms of H and heat and pressure.
B
No, he should place energy on the right and heat and pressure on the left.
C
No, he should place the He atom and energy on the right, and the H atoms and heat and pressure on the left.
D
No, he should place the He atom on the right and the H atoms on the left.

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