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WorksheetsYear 7 - Plate Tectonics and the Atmosphere
Total questions: 23
Worksheet time: 15mins
Which of the following substances is found in the Earth's atmosphere?
aluminium
gold
nitrogen
zinc
What percentage of the Earth's atmosphere is carbon dioxide?
less than 1%
1%
more than 1%
Which word is used to describe a substance that contains two or more different substances which are not chemically combined?
Compound
Mixture
Element
Metal
The atmosphere is...
the space that exists between Earth and the Sun
all the living organisms within an ecosystem
a layer of gases that surrounds a planet
a layer of oxygen near the surface
What is the approximate percentage of oxygen in the Earth's atmosphere?
78%
21%
1%
0.04%
Which is the most abundant (the most common) gas in the Earth's atmosphere?
nitrogen
carbon dioxide
argon
oxygen
What molecule does the atmosphere contain as a vapour (gas), as well as in the liquid and solid states?
nitrogen
water
carbon dioxide
oxygen
Why is it difficult for humans to breathe enough oxygen at high altitudes (on top of Mount Everest, for example)?
the air pressure is too high at high altitudes
there is too much nitrogen
there are fewer oxygen molecules per volume of air
air is more dense at high altitudes
Volcanoes are formed ... (choose two)
when tectonic plates collide and one plate is pushed beneath another
when tectonic plates move around each other
when tectonic plates move away from each other
when tectonic plates remain still
Tectonic plates move, because...
they are moved by the convection currents in the atmosphere.
they are moved by the convection currents in the inner core.
they are moved by the convection currents in the mantle.
they are moved by the convection currents in the outer core.
Which statement is true about tectonic plates?
They never move
They move in different ways
They always move towards each other
They always move away from each other
How do fold mountains form?
Which word is used to describe the strength of an earthquake?
force
energy
magnitude
destruction
What do we call it when a plate slides underneath another one?
subjugation
subduction
earthquake
volcano
displacement
What is lava?
Volcano
Solid rocks
Molten metal
Molten rock
What are the four layers of the structure of the Earth? (in the right order from inside to outside)
inner core, outer core, mantle, crust
outer core, inner core, crust, mantle
mantle, crust, outer core, inner core
crust, mantle, outer core, inner core
What two metals make up the core of the Earth?
copper
iron
nickel
aluminium
What causes earthquakes?
The friction of tectonic plates moving above each other
The friction of tectonic plates moving past each other
Atmospheric or air pollution is released by...
cars
factories
trains
trucks
all of the above
The atmosphere is a layer of oxygen that surrounds our planet.
True
False
What is a key word you have learned in this topic so far?
Magma is what we call liquid rock while it is still...
underground
melting
overground
in the crust
A volcano that has not erupted in a long time is called... (choose two)
inactive
dormant
sleeping
calm
