IMPACT ON ONTARIO

Question 1

What was the Ice movement like

Answer 1

Almost ‘alive’, moving and flowing

Question 2

How did the ice erode the ground?

Answer 2

Moving against the ground was almost like sandpaper. Shaped the rocks into a bunch of different shapes

Question 3

What happened to Rocks eroded by Glaciers?

Answer 3

Deposited as material beneath the glacier, GLACIAL TILL.

Question 4

What happened to Sand and Gravel eroded?

Answer 4

Deposited as clay. Found in lake bottoms as glaciers melted and lakes formed

Question 5

what were carved by glaciers?

Answer 5

Millions of depressions made by glaciers melting

Question 6

What happened to areas carved?

Answer 6

Depressions would fill with water, GLACIAL LAKES

Question 7

A famous example of glacial lakes are the _________

Answer 7

Great lakes

Question 8

Land bouncing back

Answer 8

Isostatic Adjustment

Question 9

Land bridge from Alaska to Siberia

Answer 9

Beringia

Question 10

How heavy is a cubic metre of ice?

Answer 10

916 kg

Question 11

How much was the depression at the thickest part of ice?

Answer 11

Half kilometer depression

Question 12

How depressed was ontario?

Answer 12

280m depression in Ontario

Question 13

What’s a good example of isostatic adjustment

Answer 13

Pillow bouncing back

Question 14

The ancient sea in Hudson’s bay

Answer 14

Tuerell Sea

Question 15

As the ice sheet melted, and before rebound sea water _________

Answer 15

flooded inward beyong present shoreline

Question 16

What can be found in the clay blanket at Tyrell Sea

Answer 16

Fossilized marine animals

Question 17

What happenes as the Tyrell Sea drained north?

Answer 17

New land emerged, arriving to present day Hudson’s bay and Jame’s bay

Question 18

How long and how much adjustment is left?

Answer 18

10000 years left, another 100m to go.