Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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What are the plate boundaries that cause earthquakes? | show 🗑
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What is the outer most layer of the earth? | show 🗑
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show | Approx. 6,000 degrees Celsius
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What temperature is the mantle? | show 🗑
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show | Semi molten rock called magma
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What is the core made up of? | show 🗑
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show | Solid rock
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show | Convection currents
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show | The magma from the mantle rise and as it rises, it cools again and sinks back down. This process makes the plates move.
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What is the name of what the earths crust is broken up into? | show 🗑
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What is the name of the movement of continents over time? | show 🗑
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What landforms come from a constructive plate boundary? | show 🗑
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show | Volcanic mountains
Fold mountains
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show | Constructive and destructive
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What is the hole at the top of a volcano called? | show 🗑
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show | The magma chamber
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show | From a build up of lava that has forced its way to the surface
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Name some good things about volcanic eruptions | show 🗑
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show | (a) the gases produced by volcanoes (like sulphur dioxide) can poison people. Acid rain.
(b) lava destroys everything in its path
(c) they can turn into things called lahars, which happens when the lava mixes with rain. It’s like a mud slide.
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What is a mid-ocean ridge? | show 🗑
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show | Constructive
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How do mid-ocean ridges form? | show 🗑
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show | Mid-Atlantic ridge (Eurasian and North American plates separate)
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What are earthquakes? | show 🗑
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What is a fault line? | show 🗑
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show | Pressure builds up along the fault line. The sudden release of that pressure creates an earthquake
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show | The San Andreas fault line
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What is the focus? | show 🗑
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show | The point on the surface directly above the focus. This is where the tremors are strongest
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What are aftershocks? | show 🗑
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What is a tremor? | show 🗑
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show | Someone who measures earthquakes
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show | Measures the magnitude of an earthquake
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What is the Richter scale | show 🗑
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What is the highest an earthquake ever got in the Richter scale? | show 🗑
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What is a primary effect of an earthquake? | show 🗑
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show | Something that happens as a result of the primary effect.
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show | Make emergency plans, do earthquake drills, use tsunami warnings and build earthquake resistant buildings.
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What is a tsunami? | show 🗑
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show | Water becomes displaced and causes a tidal wave to form.
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show | Mountains that are made when two of the earths plates collide
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show | An anticline
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What is the down fold of a fold mountain called? | show 🗑
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show | The heavier plate (oceanic) subducts under the lighter plate (continental). The continental plate buckled up due to the great pressure it has been put under. This is how fold mountains are formed over time. Magma can also well up to form a volcano.
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Give me an example of a fold mountain that formed from an oceanic plate and a continental plate. | show 🗑
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What are the two ways that fold mountains can form? | show 🗑
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At what plate boundary do fold mountains form? | show 🗑
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show | Continental plates are light, so no subduction occurs. Due to the great pressure, the plates are forced to rise upwards. The plates can buckle and fold to create fold mountains.
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Name a fold mountain formed by two continental plates | show 🗑
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Name all three of the different periods of folding | show 🗑
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show | Alpine
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show | 30-35 million years ago
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What period of folding occurred when the Eurasian and African plates collided? | show 🗑
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Give examples of Alpine mountains. | show 🗑
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How many years ago did the Armorican period of folding happen? | show 🗑
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show | Caledonian
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Give an example of mountains from the Armorican folding period. | show 🗑
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What period of folding occurred about 400 million years ago? | show 🗑
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What period of folding happened when the Eurasian and the American plates collided? | show 🗑
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show | Dublin & Wicklow mountains, the Appalachian mountains in N America and the mountains of Norway, Sweden and Scotland
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What is geothermal energy? | show 🗑
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