How are sedimentary rocks formed?

Sediments are piled in layers and squashed

Why does a volcano happen?

Tectonic plates move apart and magma rises up

How are metamorphic rocks formed?

Rock is melted, squashed and cooled

How are igneous rocks formed?

Lava or magma cools and solidifies

Small pieces of rock that settle in layers

What is a tectonic plate?

Pieces of the crust that move about on the mantle

Put the three rock types in order of strength - strongest to weakest

Igneous, metamorphic, sedimentary

How does an Earthquake occur?

Two tectonic plates hit each other

If you heat and then quickly cool a rock, what happens?

The rock breaks into smaller pieces

Acid rain is caused by...

Pollution from cars and factories

What are the three types of rock?

Sedimentary, metamorphic, igneous

Which order is correct for the Earth's structure? Outside to inside

Crust, mantle, outer core, inner core

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Rocks and Structure of the Earth

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A #KS3 #Science #Geology Quiz on recalling key facts. #Rocks #earth structure #year8

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Questions 15

Answers

1
How are sedimentary rocks formed?
Rock is melted, squashed and cooled
Lava or magma cools and solidifies
Sediments are piled in layers and squashed
2
Why does a volcano happen?
Tectonic plates smash into each other
Tectonic plates are melted by the lava
Tectonic plates have small holes in them
Tectonic plates move apart and magma rises up
3
How are metamorphic rocks formed?
Sediments are piled in layers and squashed
Lava or magma cools and solidifies
Rock is melted, squashed and cooled
4
What is weathering?
Rock being damaged over time
Rock being moved away
5
How are igneous rocks formed?
Lava or magma cools and solidifies
Sediments are piled in layers and squashed
Rock is melted, squashed and cooled
6
What does acid rain do to buildings?
It does nothing
Improves the look of them
Makes them stronger
Damages them
7
What is erosion?
Rock being moved away
Rock being damaged over time
8
What is a sediment?
Small pieces of rock that settle in layers
Molten rock
A type of rock
9
What is a tectonic plate?
Something you eat from at Christmas
Pieces of the crust that move about on the mantle
A section of rock
10
Put the three rock types in order of strength - strongest to weakest
Sedimentary, metamorphic, igneous
Metamorphic, igneous, sedimentary
Igneous, metamorphic, sedimentary
11
How does an Earthquake occur?
Massive explosions in the Earth's core
Two tectonic plates pull apart
Two tectonic plates dissolve
Two tectonic plates hit each other
12
If you heat and then quickly cool a rock, what happens?
Nothing happens
The rock changes colour
The rock breaks into smaller pieces
The rock gets bigger
13
Acid rain is caused by...
Pollution from cars and factories
Heavy rain
Bad weather
Trees
14
What are the three types of rock?
Magma, lava, rock
Limestone, marble, slate
Granite, quartz, geode
Sedimentary, metamorphic, igneous
15
Which order is correct for the Earth's structure? Outside to inside
Inner core, outer core, mantle, crust
Crust, outer core, mantle, inner core
Mantle, crust, inner core, outer core
Crust, mantle, outer core, inner core

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