Quiz 2 - Physics
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Which of the following cannot transmit sound?
Water
Vacuum
Aluminium
Oxygen gas
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Echo is a type of
Polarised sound
Refracted sound
None of these
Reflected sound
What is the inner core of the Earth made from
Solid rock
Solid copper
Solid iron and nickel
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What is the outer core of the Earth made from?
Liquid iron and nickel
Solid iron
Liquid magma
What name is given to the crust and the solid outer part of the mantle?
Biosphere
Hydrosphere
Lithosphere
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Who proposed the theory of continental drift?
Fritz Haber
Alfred Nobel
Alfred Wegener
What name is given to the huge sections of the crust that float on the mantle?
Crust plates
Tectonic plates
Continents
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What makes these sections of crust move?
Ocean currents
Weather systems
Convection currents in the mantle
What type of plate boundary is shown by the following diagram?
Plate sliding past
Destructive plate boundary
Constructive plate boundary
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Which one of the following pieces of evidence was used to support the continental drift theory?
Similar rocks found on different continents
Ocean currents
Volcanic eruptions
What comes out of a volcano when it erupts?
Crater
Physics
Lava
Volcano
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What type of eclipse occurs when the moon blocks the sun's light and cast a shadow on earth?
Earth Eclipse
Solar Eclipse
Moon
Lunar Eclipse
A lunar eclipse occurs when the ______ shadow falls on the Moon.
Earth’s
Moon and Sun's
Sun’s
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A total eclipse occurs when the observer is within the _____.
Penumbra
Umbra
None of the options
Antumbra
Which eclipse is NOT safe to watch with the naked eye?
Solar eclipse
Lunar eclipse
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The Moon orbits the Earth in _____.
32.3 days
27.32 days
33.3 days
21.7 days
Energy is
the ability to move or change matter.
only found in batteries.
none of the above.
never used for fun.
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Electricity is the flow of _____________.
neutrons
electrons
protons
The force resulting from the pull of Earth on an object is ___________.
gravity
weight
Mass
acceleration
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The greater the mass of an object, the greater the gravity.
True
False
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