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Oceanic and continental hit each other and ocenic goes under.
Which part of the Earth is directly below the crust?
-Mantle-Inner core-Outer core
Which part of the Earth is the hottest?
-Mantle-Inner core-Outer core-Crust
What material makes up the mantle?
A constructive plate boundary is when:
-plates move together.-plates move apart.-plates slide past each other causing friction
A destructive boundary is when:
-plates move together.-plates move apart.-plates slide past each other.
At a conservative plate boundary land is:
-destroyed.-created.-neither created or destroyed.
What occurence is common along a conservative plate boundary?
Which of these statements about a constructive boundary is NOT true?
-Constructive boundaries are more commonly found on land than under the sea.The Earth's plates are moving apart due to convection currents inside the Earth.
-Volcanoes often form at constructive boundaries.
The Mid-Atlantic Ridge or chain of volcanoes formed underneath the Atlantic Ocean is created by what kind of plate boundary?
What is an earthquake?
-An earthquake is the shaking and vibration of the Earth's crust due to movement of the Earth's plates.-An earthquake is the eruption of molten rock from inside the Earth's crust.-An earthquake is the creation of new land formed by molten rock pushing through gaps in the Earth's crust
At what sort of plate boundaries might earthquakes take place?
-Constructive plate boundaries-Destructive plate boundaries-Conservative plate boundaries-Conservative and destructive plate boundaries-All plate boundaries
What causes earthquakes?
-Earthquakes are caused when tension is released inside the Earth's crust.-Earthquakes are caused when the Earth moves closer to the Sun.-Earthquakes are caused when plate boundaries pull away from each other.
The point inside the Earth where the pressure is released is called the:
The point on the Earth's surface that is directly above an earthquake is called the:
Energy released by an earthquake is in the form of:
A seismometer measures what?
-The damage caused by an earthquake-The distance of an earthquake from the focus to the epicentre-The vibrations caused by an earthquake
The strength or magnitude of an earthquake is measured using what?
What is a primary effect of an earthquake?
-Impacts as a direct result of the ground shaking-Effects on young children-Effects nearest the epicentre-Effects on the landscape
What is a volcano?
-The movement of the Earth's crust by the movement of plate boundaries-A cone-shaped mountain or hill formed by eruptions of lava and ash-A mountain created by the folding of the Earth's crust-All of the above
Where do volcanic eruptions tend to take place?
-Conservative plate boundaries-Destructive plate boundaries-Constructive and destructive plate boundaries-Constructive, destructive and conservative plate boundaries
A volcano that is flat and wide is called:
-a cone volcano-a shield volcano-a composite volcano
Which type of volcano often erupts with a mix of steam, ash, rock and dust, causing a pyroclastic flow?
Where do hurricanes normally form?
-Over tropical seas-Over polar seas-Over tropical biomes-Over temperate forests
What is the centre of a hurricane called?
Which of the following is NOT a risk posed to human settlements by hurricanes?
-Earthquakes-Flooding along coastlines-Rising sea level
What was the name of the hurricane which devastated New Orleans in 2005?
What do you call professionals who monitor and predict volcanic eruptions?
Which of the following is NOT an indication that a volcanic eruption is likely?
-Oxygen levels around the volcano increase, indicating tectonic activity.-When a volcano is close to erupting it starts to release sulphur gases.-Temperatures around the volcano rise as activity increases.
People can be prepared for earthquakes by:
-earthquake drills.-education via TV.-education via the radio.-all of the above.
Buildings can be constructed to absorb the energy of an earthquake?
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