Grade 6 Geology

It is naturally occurring solid that can form by inorganic process and that has a crystal structure.

• sand

• rocks

• mineral

• water

A kind of igneous rock formed by lava that erupted onto Earth’s surface.

• metamorphic rock

• sedimentary rock

• intrusive rock

• extrusive rock

Which of the following is the hardest mineral?

• calcite

• quartz

• talc

• diamond

Sedimentary rocks form when sediment is deposited by ________________.

• water and wind

• mineral and water

• sand and oxygen

• wind and mineral

• ice and gravity

The process by which running water, wind, or ice carry away bits of broken-up rock.

• erosion

• compaction

• deposition

• cementation

The process that presses sediments together.

• erosion

• compaction

• deposition

• cementation

This rock forms when the remains of plants and animals are deposited in layers.

• clastic rock

• organic rock

• chemical rock

• igneous rock

It is a sedimentary rock formed when rock fragments are squeezed together.

• clastic rock

• organic rock

• chemical rock

• igneous rock