When the Sun's corona is active it...

ejects huge masses of radiation

If Earth's orbit speeded up...

Earth would float endlessly through space

How are coal and solar collectors similar?

Both use energy from the Sun to create heat.

What is a solar flare?

a sudden burst of energy on the Sun's surface

when atoms blend and release energy

If Earth's orbit slowed down...

the Earth would crash into the Sun

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The Sun

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Earth Science Test on the Sun

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Questions 20

Answers

1
When the Sun's corona is active it...
it becomes very cold
ejects huge masses of radiation
it becomes solid
it becomes liquid
2
If Earth's orbit speeded up...
Earth would become a satellite
Earth would float endlessly through space
Earth would stop orbiting the Sun
Earth would become a fire ball of gas
3
To harness means to...
produce
store
create
collect
4
How are coal and solar collectors similar?
Both use energy from the Sun to create heat.
All of the above
Both absorb radiant energy from the Sun.
Both use energy stored long ago.
5
What is a solar flare?
energy waves that cannot be seen by humans
the reaction by a planet to the Sun's heat
a structure built to capture solar energy
a sudden burst of energy on the Sun's surface
6
An area on the Sun that is cooler than other areas is a ________
sunspot
fusion
flare
reaction
7
What is the Sun mostly made of?
Helium gas
Hydrogen gas
electricity
Ultraviolet rays
8
Radiant energy turns to ______when absorbed by an object.
electricity
radiation
fusion
heat
9
If our Sun were replaced by a red giant, what would the effect be on Earth?
Earth would get very hot
All planets would crash into the Sun
Earth would get very cold
Earth would fly into space
10
What color car would stay the coolest in the summer?
black
red
white
blue
11
The surface of the Sun...
all of the above
directs all its energy toward Earth
is always at the same level of activity
is a storm of activity
12
All stars are classified by
location, heat, and name
composition, chemicals, and gases
distance, length, and temperature
color, size, and brightness
13
Radiant energy turns into heat energy after....
it breaks free into space
it's absorbed by matter
it becomes visible
it travels through space
14
The most common stars are....
the red giants
the hot white dwarf
the hypergiants
the yellow stars
15
Solar cells change Sun's energy into...
satellites
electricity
water
sand
16
What is fusion?
when energy travels across space
when light travels to Earth
when atoms blend and release energy
when energy is given off as light
17
The Sun is a ________
Hypergiant star
Supernova star
Yellow medium size star
Red Giant star
18
What force keeps Earth in its current orbit?
Earth's gravity
Sun's heat
other planets' orbit
Sun's gravity
19
If Earth's orbit slowed down...
the Earth would become a wasteland
the Earth would crash into the Sun
the Earth would become dark and frozen
the Earth would fly into space
20
The most common element found in the Sun is...
oxygen
potassium
hydrogen
helium

The Sun Flashcards | StudBud