WorksheetsSection 26.1 The Sun
Total questions: 21
Worksheet time: 11mins
The term 'Core' is defined as:
The outermost layer of the Earth
The central or most important part of something
A type of fruit
A mathematical concept
Build Vocabulary: Define the term 'Radiation zone'.
A region of a star where energy is primarily transported by radiation.
A layer of the Earth's atmosphere where radiation is absorbed.
A zone in a nuclear reactor where radiation is generated.
A part of the electromagnetic spectrum associated with radiation.
Build Vocabulary: Define the term 'Convection zone'.
A region of a star where energy is primarily transported by convection.
A layer of the Earth where tectonic plates are located.
A zone in the ocean where water temperature changes rapidly with depth.
A part of the atmosphere where weather phenomena occur.
The sun gives off a large amount of energy in the form of __________ radiation.
electromagnetic
thermal
nuclear
mechanical
Circle the letter of each sentence that is true about nuclear fusion in the sun.
Less massive nuclei combine into more massive nuclei.
The end product of fusion is hydrogen.
Fusion is a type of chemical reaction.
Hydrogen nuclei fuse into helium nuclei.
For the sun to be stable, inward and outward forces within it must be in __________.
equilibrium or balance
chaos
disorder
randomness
Is the following sentence true or false? The sun remains stable because the inward pull of gravity balances the outward push of thermal pressure from nuclear fission.
True
False
Which is not a layer of the sun’s interior.
the radiation zone
the photosphere
the convection zone
the core
Which is not a way that energy moves through the sun.
gravity
convection
radiation
nuclear fusion
List the layers of the sun’s interior shown on the diagram.
a. Convection zone b. Radiation zone c. Core
d. Photosphere e. Chromosphere f. Corona
g. Mesosphere h. Thermosphere i. Exosphere
j. Troposphere k. Stratosphere l. Ionosphere
Which is not a layer of the sun’s atmosphere.
a. photosphere
b. chromosphere
c. corona
d. core
When can the corona be seen?
The corona is usually seen only during a total solar eclipse.
During a lunar eclipse.
During a new moon.
During a full moon.
What is the visible surface of the Sun called?
Core
Photosphere
Corona
Chromosphere
Which layer of the Sun lies directly above the core?
Radiative zone
Convective zone
Photosphere
Chromosphere
Which part of the Sun is responsible for its energy production?
Photosphere
Core
Corona
Chromosphere
Solar flares are
sudden eruptions of energy on the sun's surface
A sun spot is
How does the sun produce energy?
nuclear fission of uranium atoms
nuclear fusion of hydrogen atoms
nuclear fission of hydrogen atoms
nuclear fusion of uranium atoms
The Nebular Theory explains
Scientists have found planets in orbit around distant stars that provide support for the nebular theory.
True
False
How does the sun produce energy?
nuclear fission of uranium atoms
nuclear fusion of hydrogen atoms
nuclear fission of hydrogen atoms
nuclear fusion of uranium atoms
