Grade 9 Revision Quiz

Rock that is formed from magma is called

• igneous

• metamorphic

• sedimentary

• clastic

The process in which rock changes from one type to another and back again is called

• rock family

• rock cycle

• contact metamorphism

• foliation

Sedimentary rock formed from plant and animal remains is called

• organic sedimentary rocks

• chemical sedimentary rocks

• clastic sedimentary rocks

• granite sedimentary

Molten rock which reaches the earth's surface is called

• luster

• lava

• mineral

• magma

This feature is formed when calcium carbonate is deposited on the ceiling of a cave

• stalagmite

• sink hole

• stalactite

• pillar

This feature is formed when calcium carbonate is deposited on the floor of a cave

• pillar

• sink hole

• stalactite

• stalagmite

The name given to the distinctive landscapes which form in limestone areas is:

• cockpits

• sinkholes

• cave systems

• karst landscape

The number of people living in a particular area at a particular point in time is known as the __________ of that area.

• population density

• population distribution

• population

• population growth

Antarctica is largely uninhabited. This is mainly because:

• there is a lack if mineral resources

• there is not much flat land

• the soil is infertile

• the climate is harsh

This term refers to the way in which people are spread out over an area.

• population density

• population distribution

• population

• population growth