Periglacial terms

What does periglacial mean?

• An area of permafrost near to an ice sheet.

• An area underneath a glacier.

• Originated from glacial meltwater.

What does the term permafrost mean?

• An area which undergoes freeze thaw weathering.

• An area of land which remains frozen throughout the year.

• An area which never freezes.

What does Nivation mean?

• Snow patches create small hollows as a result of freezing and thawing.

• A process of digging deep into the ground

• A process of accumulating more water in underground stores.

What does Soliflucation mean?

• Gradual movement of wet soil down a slope.

• Fast movement of material.

• Material moving sideways.

What is frost heave?

• When people try to move a glcaier.

• Surface ice moving into the ground

• Soil or ground uplift due to water expansions underground.

What does the picture show?

• Ice wedge

• Ice lense

What does the term thermokarst mean?

• A type of medicine used when you have a temperature

• A landscape created when permafrost begins to melt

• A mound created by frost heave

What is a pingo?

• A children's TV character.

• A dome- shaped mound containing an ice core.

• A dipped and uneven landscape.

What does the picture show?

• Ice lense

• Pingo

• Thermokarst landscape

• Patterned ground