Chemicals From Rocks

Question 0

What is the definition of a mineral?

Answer 0

A mineral is a single substance.

Question 1

What is the definition of a rock?

Answer 1

A rock is a substance made of one or more minerals.

Question 2

Name two examples of sedimentary rock.

Answer 2

Sandstone

Limestone

Question 3

Name two types of igneous rock.

Answer 3

Granite

Basalt

Question 4

Name two types of metamorphic rock.

Answer 4

Marble

Slate

Question 5

What type of weathering is caused by acid rain reacting with rocks?

Answer 5

Chemical weathering.

Question 6

What types of weathering is caused by roots pushing through rocks, causing them to crack?

Answer 6

Biological weathering.

Question 7

How is igneous rock turned int sedimentary rock?

Answer 7

Weathering and erosion.

Question 8

Sediments——-> sedimentary rock?

Answer 8

Compaction and cementation.

Question 9

Sedimentary rock—->Metamorphic rock

Answer 9

Heat and pressure.

Question 10

Metamorphic rock——>Magma

Answer 10

Melting.

Question 11

Magma——->Igneous rock

Answer 11

Cooling.

Question 12

Name one example of an igneous rock at home.

Answer 12

Pumice.

Question 13

Name one example of a sedimentary rock at home.

Answer 13

Coal.

Question 14

Name one example of a metamorphic rock at home.

Answer 14

Marble benchtops

Question 15

How does freeze thaw work?

Answer 15

Freeze thaw is when water gets into tiny cracks in the rocks. The water freezes and expands at night time creating more cracks in the rock, this process continues until eventually the rock falls apart.

Question 16

What happens when malachite is heated?

Answer 16

It goes from green to black.