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WorksheetsCH 29 Earth Science Putman
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The sun converts matter into energy in the ___________.
a)
corona
b)
convective zone
c)
radioactive zone
d)
core
2.
Most of the sun’s energy is a result of ___________.
a)
atomic reactions
b)
nuclear fission
c)
nuclear fusion
d)
coronal mass ejection
3.
When hydrogen nuclei fuse into helium nuclei ____________.
a)
the nuclei die
b)
particles collide
c)
energy is released
d)
particles neutralize.
4.
In the sun’s radiative zone, energy moves ___________
a)
by convection
b)
by radiation
c)
by solar ejection
d)
by solar wind
5.
The magnetic field of the sun’s corona ______________.
a)
stops some subatomic particles
b)
cannot stop any subatomic particles
c)
stops all subatomic particles
d)
auses Earth to be polarized
6.
Which of the following is NOT a solar ejection?
a)
sunspot
b)
solar flare
c)
prominence
d)
Corona
7.
In the equation E=mc2, the letter c represents _____________.
a)
the distance to Earth from the sun
b)
the mass that is converted
c)
the energy that is produced
d)
The speed of light.
8.
What is the hottest layer of the sun’s atmosphere called?
a)
radiative zone
b)
photosphere
c)
convective zone
d)
corona
9.
Energy produced in the sun’s core is the result of _______.
a)
nuclear division
b)
nuclear fissure.
c)
nuclear fission
d)
nuclear fusion
10.
What elements make up most of the sun’s mass?
a)
hydrogen and helium
b)
carbon and hydrogen
c)
carbon and oxygen
d)
helium and nitrogen
11.
Which of the following are part of the sun’s atmosphere?
a)
radiative zone and convective zone
b)
photosphere and chromosphere
c)
aurora and borealis
d)
nucleus and core
12.
Particles thrown off the sun’s corona that can affect Earth’s magnetic field are called a ___
a)
a coronal mass ejection
b)
nuclear fusion
c)
coronal mass injection
d)
a sunspot.
13.
Einstein’s equation E = mc2 helps scientists understand the sun’s energy because the equation .......
a)
describes solar flares.
b)
explains how mass can be converted into huge amounts of energy.
c)
explains a star’s specific wavelengths of light.
d)
describes nuclear fission.
14.
Scientists break up the sun’s light into a spectrum using a device called a
a)
positron
b)
chromograph
c)
corona
d)
spectrograph
15.
What is a prominence on the sun?
a)
a disturbance in the sun’s atmosphere; an arched, glowing cloud of gas
b)
a part of the sun’s corona, a cloud of colored gas
c)
a part of the convective zone, a cool area with powerful magnetic fields
d)
a magnetic disruption in the sun’s photosphere
16.
Which of the following are all part of the sun’s atmosphere?
a)
photosphere, aurora, corona
b)
convective zone, photosphere, corona
c)
photosphere, corona, chromosphere
d)
chromosphere, aurora, photosphere
17.
During fusion, a type of subatomic particle is given off called a(n) ___________.
a)
neutrino.
b)
prominence.
c)
atom
d)
nuclei
18.
Sudden disturbances in Earth’s magnetic field are called ______
a)
geomagnetic storms
b)
prominences
c)
solar-activity cycles.
d)
sunspots
19.
Magnetic fields on the sun are produced by the sun’s uneven rotation and a ______________.
a)
gases in the convective zone
b)
gases in the radiation zone.
c)
the movement of gases in the corona.
d)
the movement of sunspots on the sun’s surface
20.
Auroras form when charged particles from solar wind ____________.
a)
magnetize the Earth’s poles.
b)
react with particles in Earth’s hydrosphere.
c)
react with particles in Earth’s atmosphere.
d)
magnetize the sun’s atmosphere.
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