Glacial landforms

Till

Material that is deposited by moving glaciers

Erratics

when a glacier picks up a big rock during a glacial advance and carries it and deposits it when the glacier is melting in a random location

Drumlins

An egg/teardrop shaped hill. Steep at on end and a gently tapered slope at the other. The steep end point points in the direction the glacier came from

Moraine

Ridges that are formed at the leading edge of a glacier

Terminal moraine

Formed at the end of the glacial advance

Terminal moraine

Formed at the end of the glacial advance

Supraglacial moraine

Formed on top of the ice sheet

Medial moraine

Formed in the middle of 2 ice sheets

Kettle lakes

Formed when a large ice block gets trapped under glacial till. After the glacier retreats, the ice melts and a lake is formed

Striations

Are scratched in the bedrock from glaciers moving. They show the direction the glacier was moving in

Esker

A long narrow ridge made by an under ice river

Glacier

A large body of ice that is constantly moving under its own weight

What are glaciers made up of

They are made up of snow and ice that, over many years, compress into a large mass of ice

When do glaciers form

They form during an ice age, when cool temperatures exist for long periods of time

How is a glacier a bulldozer

It acts as an immense moving force that reshapes the landscape, pushes deprive and erodes bedrock

Name some landforms in Ontario that were created from glaciers

Niagara Falls, the oaks ridges moraine, the Great Lakes

What is an Oxbow lake

When a U-shaped body of water is cut off from a river which makes the river straighter