8 questions · Four answers, and only one is true. Can you spot it?
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Question 1 of 8
Why do we have mountains?
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Rock does not grow; it is pushed.
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Like a rug rucking up when you push it, only far slower.
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Rain does wear mountains down — it is what makes them smaller, not taller.
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No pile of rocks reaches above the clouds.
Show the answer
- A Rock does not grow; it is pushed.
- B Like a rug rucking up when you push it, only far slower.
- C Rain does wear mountains down — it is what makes them smaller, not taller.
- D No pile of rocks reaches above the clouds.
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Question 2 of 8
What is a cave?
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A shake may open a crack, but the room is the work of water.
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Animals live in caves; they did not make them.
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A cave runs far deeper than any root.
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Drip by drip, over thousands of years, water carries the stone away.
Show the answer
- A A shake may open a crack, but the room is the work of water.
- B Animals live in caves; they did not make them.
- C A cave runs far deeper than any root.
- D Drip by drip, over thousands of years, water carries the stone away.
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Question 3 of 8
What are continents?
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Land does not float — it goes all the way down.
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Those are the oceans between them.
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Long ago they were squashed together into one, and they are still drifting apart.
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A continent holds many countries, and one holds none at all.
Show the answer
- A Land does not float — it goes all the way down.
- B Those are the oceans between them.
- C Long ago they were squashed together into one, and they are still drifting apart.
- D A continent holds many countries, and one holds none at all.
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Question 4 of 8
What is a desert?
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Cactuses, camels and many other clever savers of water live there.
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Plenty of deserts are stone, gravel or even ice.
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That is the whole of it — some deserts are scorching, and some are freezing cold.
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Antarctica is a desert too, and it is the coldest place there is.
Show the answer
- A Cactuses, camels and many other clever savers of water live there.
- B Plenty of deserts are stone, gravel or even ice.
- C That is the whole of it — some deserts are scorching, and some are freezing cold.
- D Antarctica is a desert too, and it is the coldest place there is.
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Question 5 of 8
What causes earthquakes?
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The Earth is rock, and the shaking has a place it starts from.
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Earthquakes shook the world long before there were any buildings.
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They creep along about as fast as your fingernails grow, and now and then they catch and let go.
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Big waves can be caused by earthquakes, not the other way round.
Show the answer
- A The Earth is rock, and the shaking has a place it starts from.
- B Earthquakes shook the world long before there were any buildings.
- C They creep along about as fast as your fingernails grow, and now and then they catch and let go.
- D Big waves can be caused by earthquakes, not the other way round.
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Question 6 of 8
What is soil made of?
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Some soil holds ash, but most of it never saw a fire.
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Rock alone would feed nothing.
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Water is only one ingredient of many.
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And a great many tiny living things: one handful can hold more little lives than there are people on Earth.
Show the answer
- A Some soil holds ash, but most of it never saw a fire.
- B Rock alone would feed nothing.
- C Water is only one ingredient of many.
- D And a great many tiny living things: one handful can hold more little lives than there are people on Earth.
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Question 7 of 8
Why do volcanoes erupt?
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It is lighter than the rock above it. Underground it is called magma; once it is out, it is lava.
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Plenty of volcanoes stand far from any sea.
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The heat comes from deep inside the Earth, not from the sky.
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A volcano is a crack in the ground, not a mood.
Show the answer
- A It is lighter than the rock above it. Underground it is called magma; once it is out, it is lava.
- B Plenty of volcanoes stand far from any sea.
- C The heat comes from deep inside the Earth, not from the sky.
- D A volcano is a crack in the ground, not a mood.
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Question 8 of 8
What are rocks made of?
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Some rocks are pressed from layers of sand and shells, some cooled from melted rock.
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Soil is often made *from* rock, worn down over ages.
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Break a rock open and you find several different things sparkling inside.
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Ice melts; rock does not.
Show the answer
- A Some rocks are pressed from layers of sand and shells, some cooled from melted rock.
- B Soil is often made *from* rock, worn down over ages.
- C Break a rock open and you find several different things sparkling inside.
- D Ice melts; rock does not.
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