The lithosphere. Rocks and minerals
Answers are for parents and teachers.
1
Write the two main kinds of rocks with two examples of each.
Sedimentary: clay, limestone; igneous: granite, basalt.
2
From the Uzbekistan atlas map find 3 minerals and write their groups.
For example: oil and gas – fuel; gold and copper – ore; rock salt – non-ore.
3
A plate moves 3 cm a year. How many metres does it move in 2000 years?
60
4
Why should we use minerals sparingly?
Because they formed over millions of years and run out; they are not renewed.
5
How did oil and coal form? Write one or two sentences.
They formed when remains of ancient plants and animals were buried underground and changed over a very long time.