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- 1. Multiple Choice
Compared to other stars we observe, the Sun looks bigger and brighter because:
it's older
it's bigger
it's much closer to Earth
it's colder
- 2. Multiple Choice
The photosphere is the Sun's:
core
atmosphere
surface
magnetic field
- 3. Multiple Choice
The temperature of the Sun's core is ___________ of degrees Celsius.
millions
thousands
hundreds
tens
- 4. Multiple Choice
Which two elements make up the Sun?
hydrogen and helium
hydrogen and oxygen
carbon and nitrogen
oxygen and carbon
- 5. Multiple Choice
In a nuclear fusion reaction, atoms...
split apart
join together
explode
cool down
- 6. Multiple Choice
Nighttime is a result of:
Earth's tilt
Earth's gravity
Earth's surface temperature
Earth's spin
- 7. Multiple Choice
If Earth was farther away from the Sun, our water would be mostly:
solid
liquid
gas
none of these
- 8. Multiple Choice
Which of these statements about the sun is true?
The Sun is a red giant.
The Sun will become a red giant.
The Sun started as a red giant.
The Sun will never be a red giant.
- 9. Multiple Choice
Prominences and sunspots are both...
jets of burning gas
patches on the sun's surface
caused by the sun's electromagnetic field
able to be seen during an eclipse
- 10. Multiple Choice
The corona is to the Sun as the ___ is/are to the Earth.
oceans
atmosphere
Moon
seasons
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