What is fusion?
when energy travels across space
when atoms blend and release energy
when light travels to Earth
when energy is given off as light
Why can't the planets be stars?
They aren't yellow.
They aren't big enough.
They don't produce their own energy (heat and light).
They don't have cores.
The corona sends out a stream of electrically charged particles, called...
Prominences
Solar Flares
Solar Wind
Auroras
When loops of gas link on the Sun's surface, they can result in huge eruptions of gas, known as
Prominences
Solar Wind
Supernovas
Solar Flares
These huge loops of gas form on the Sun's surface, linking different sunspot regions.
Solar Wind
Prominences
Solar Loops
Solar Flares
This thin, red layer of the Sun's atmosphere is only visible during a solar eclipse.
Corona
Photosphere
Chromosphere
Radiation Zone
Solar wind can interact with Earth's magnetic field, causing ___ near the poles.
Nuclear fusion
Auroras
Worldwide power outages
Lightning storms
Aurora borealis (the northern lights- the pretty lights in the sky) is produced by...
Solar flares
Cold weather
Wind
The sun rise
To harness means to...
create
produce
collect
store
All stars are classified by
composition, chemicals, and gases
color, size, and brightness
distance, length, and temperature
location, heat, and name
Radiant energy turns to ______when absorbed by an object.
radiation
fusion
electricity
heat
If Earth's orbit slowed down...
the Earth would become a wasteland
the Earth would fly into space
the Earth would crash into the Sun
the Earth would become dark and frozen
The Sun is made up of
Water
Rock
Lava
Hydrogen and helium
Why does the sun rise and set?
Because the sun moves.
Because the sun spins.
Because the Earth stands still.
Because the Earth spins.
The Sun is...
Smaller than most other stars
Bigger than most other stars
Average
Which of the following is NOT a part of the sun?
Aurora Borealis
Photosphere
Core
Chromosphere
What do we use to measure the distance between the Sun and Earth?
kilometers
hours
feet
astronomical units
What color car would stay the coolest in the summer?
blue
red
black
white
If Earth's orbit speeded up...
Earth would become a satellite
Earth would stop orbiting the Sun
Earth would float endlessly through space
Earth would become a fire ball of gas
If our Sun were replaced by a red giant, what would the effect be on Earth?
Earth would get very hot
Earth would fly into space
All planets would crash into the Sun
Earth would get very cold
Burst of heat and energy on the sun's surface produce...
Sun sets
Solar flares
Sun rises
Solar eclipses
How many Earths could fit into the Sun?
200,000
50,000
2 billion
about 1 million
These areas of the sun's surface are cooler than the surrounding gases.
Prominences
Nuclear Fusion
Solar Flares
Sunspots
There are stars bigger than the Sun
True
False
Which of the following statements regarding the sun is true?
Most of the energy from the sun hits the Earth.
The sun gives off a lot of energy.
The sun does not provide enough energy to support life.
All the energy from the sun hits the Earth.
What force keeps Earth in its current orbit?
other planets' orbit
Sun's gravity
Sun's heat
Earth's gravity
What is a solar flare?
a structure built to capture solar energy
the reaction by a planet to the Sun's heat
a sudden burst of energy on the Sun's surface
energy waves that cannot be seen by humans
What is the Sun mostly made of?
Hydrogen gas
Ultraviolet rays
Helium gas
electricity
The most common element found in the Sun is...
hydrogen
helium
oxygen
potassium
The Sun is a star
True
False
The surface of the Sun...
is always at the same level of activity
all of the above
directs all its energy toward Earth
is a storm of activity
When the Sun's corona is active it...
it becomes solid
it becomes liquid
it becomes very cold
ejects huge masses of radiation
When hydrogen particles smash together, we call it
Fusion
Magnetic field
Sun spot
Corona
The most common stars are....
the red giants
the yellow stars
the hot white dwarf
the hypergiants
Radiant energy turns into heat energy after....
it's absorbed by matter
it becomes visible
it travels through space
it breaks free into space
An area on the Sun that is cooler than other areas is a ________
sunspot
flare
fusion
reaction
This is the layer of the Sun you can usually see. It is considered the Sun's "surface.
Photosphere
Chromosphere
Corona
Core
How are coal and solar collectors similar?
Both absorb radiant energy from the Sun.
Both use energy stored long ago.
Both use energy from the Sun to create heat.
All of the above
This faint, outermost layer of the Sun is halo-like and only visible during a solar eclipse.
Chromosphere
Solar Wind
Corona
Core
What protects the Earth from the solar storm that comes from the sun?
Wind
Pollution
The magnetic field
The earth spinning
The Sun is a ________
Supernova star
Red Giant star
Hypergiant star
Yellow medium size star
Solar cells change Sun's energy into...
sand
electricity
water
satellites