Lakes, glaciers and groundwater
Answers are for parents and teachers.
1
Write which type by origin each belongs to: Baikal, Sarez and a lake left in an old river channel.
Baikal – tectonic; Sarez – dammed lake; the one in the old channel – oxbow lake.
2
Find the Caspian, Baikal, Issyk-Kul and the Aral in the atlas and write which is nearest to Uzbekistan.
The Aral Sea is in the north-west of Uzbekistan; the Caspian is to the west.
3
If 1/10 of an iceberg is above water and its total volume is 1000 units, how many units are below water (approximately)?
900
4
Why are glaciers important for mountain rivers?
Because they melt in summer and supply water to rivers.
5
Why should you never walk onto a frozen lake or river?
The ice may be thin and can break, with a danger of falling in and drowning.