Planet Earth Topic 1-3

Heat and pressure can change sedimentary rock into metamorphic rock.

• true

• false

Gold leaves a white streak on unglazed porcelain.

• true

• false

What are the three types of weathering?

• physical, ecological and biological

• rain, snow and sleet

• rain, snow and fog

• chemical, biological and physical

What term describes the powdery mark left behind when a mineral is scratched along a piece of unglazed porcelain?

• colour

• lustre

• streak

• fracture

Biological weathering is caused by plants and animals.

• true

• false

Magma that cools below the earth's surface is called

• Extrusive Rock

• Mineral

• Intrusive Rock

• Lava

This image is an example of what?

• Sediment

• Stratification

• Cleavage

• Fracture

The ridge across from Mr P in this picture shows an example of...

• Sedimentary rock

• Stratification

• Lustre

• Erratics

Lustre refers to

• A mineral's tendency to shatter when dropped

• A mineral's ability to reflect light or shine

• A mineral's ability to leave a streak when rubbed on a porcelain surface

• The rate at which Mr Pierson can eat waffles, measured in waffles per hour.

This image is an example of..

• A glacial striation

• Giant lawn bowling

• A glacial erratic

• Biological Weathering