When glaciers move over the land making valleys, rivers and lakes.
100
What is an Ice field ?
An area of ice often found in the colder climates and higher altitudes of the world where there is a lot of precipitation.
100
What is an Ice age ?
A major time period where glaciers covered much of the earth.
100
What is Carbon Dioxide ?
Your own explanation
200
What is an advancing glacier ?
If ice builds up more quickly it becomes longer it becomes an advancing glacier.
200
What are striations ?
When beddrock is gouged by the dragged rock fragments, marks are left behind.
200
Where does water from the Columbia Ice field go through ?
Water from the Columbia Icefield goes through all three prairie provinces. Alberta, Saskatchewan and Manitoba.
200
How long ago was the last ice age ?
11,000 years ago
200
What is another name for it ?
CO2
300
What is Retreating glacier ?
If ice melts faster than it is replaced it shortens and becomes a retreating glaciers.
300
What is a cirques and in which type of glaciers are they found in ?
They are the erode bowl-shaped basins and are found in Valley glaciers.
300
What is the largest ice field in Canada ?
Columbia icefield
300
How many major ice ages has there been ?
7
300
Name an example of how CO2 is produced ?
Breathing out and Cars.
400
Name a glacier that is advancing ?
Hubbard Glacier
400
What is a Till ?
When glaciers begin to melt they can no longer hold all the sediments. The mixture of this sediments is called a till.
400
What would happen to rivers and lakes if all glaciers melted ?
Your own explanation.
400
What was the climate like during the last ice age ?
Much of North America was as cold as Greenland is today and glaciers covered the land from the Arctic to the Great Lakes.
400
What is Globel Warming ?
The warming of the earth which is causing the polar icecaps to melt and is becoming a serious problem in modern times.
500
What is a glacier ?
When snow accumaltes the weight of the snow becomes great enough to compress the bottom layers into ice on the bottom causes partial melting.
500
Why do we need glaciers to shape the land around us ?
If glaciers did not shape the land around many mountains, lakes, rivers and valleys would not be formed. Which would change the climate of many areas in the world.
500
Name some land features that shows evidence of glaciers activity at one time ?
Striations, Moraines and U-shaped valleys.
500
What are some natural/man made problems that could cause another ice age ?