| How rocks are formed. | Processes and energy | What the rock cycle is and why it is a cycle. | Physical and chemical changes. |
|---|---|---|---|
|
How are sediments formed?
Sediments are formed by weathered/broken down rocks.
|
What is the process of rocks turning into sediments?
Wheathering and erosion.
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Why is the rock cycle considered as a cycle?
Because it is repeated again and again and it is never ending.
|
Is melting of metamorphic rock physical or chemical change?
Physical change
|
|
How are sedimentary rocks formed?
Sedimentary rocks are formed by compaction and cementation of sediments.
|
What is the process of rocks turning into magma?
Melting
|
What is the rock cycle?
The rock cycle is a process in which rocks form into different rocks.
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Is cooling of magma a physical or chemical change?
Physical change
|
|
How are metamorphic rocks formed?
Metamorphic rocks are formed by heated and
pressured rocks. |
What is the process of magma turning into rocks?
Cooling/crystallizing
|
Is compaction of sediments a physical or chemical change?
Yes
|
|
|
How is magma made?
Magma is made by melted rocks.
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What is the process of rocks turning into metamorphic rocks?
Heat and pressure
|
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How are igneous rocks formed?
Igneous rocks are formed by cooled/crystallized magma.
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What are the two major energy sources in the rock cycle?
Sun and heat
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