LS- Planet Earth-Topics 1-3

Heat and pressure can change sedimentary rock into metamorphic rock.

• true

• false

Gneiss is a metamorphic form of granite.

• true

• false

Biological weathering is caused by plants and animals.

• true

• false

Eroded sediments pushed in front of glaciers are called moraines.

• true

• false

An unsaturated solution is needed to grow crystals.

• true

• false

Glaciers can make scratches in rocks, called striations.

• true

• false

Chemical weathering occurs when vinegar is poured on rocks to decide if they have calcium in them.

• true

• false

Gold leaves a white streak on unglazed porcelain.

• true

• false

The three factors that influence the formation of soil include:

• placement, soil conditions and sunlight

• human planting, river water, runoff

• climate, type of rock, and amount of moisture

• rainfall, sunlight and movement of the tectonic plates

What are the three types of weathering?

• physical, ecological and biological

• rain, snow and sleet

• rain, snow and fog

• chemical, biological and physical