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1. 
The continental crust is...
A.
made up of denser rocks than the oceanic crust
B.
formed of rocks like granite
C.
made up of rocks like basalt or gabbro
2. 
In what layer of the geosphere are materials in a viscous or semi- molten state?
A.
The oceanic crust and the mantle
B.
The mantle
C.
The mantle and the inner core
3. 
Minerals
A.
have physical properties and are always made of more than one chemical element
B.
have a definite chemical composition an ordered atomic arregement or organisation
C.
can have organic or an inorganic origin
4. 
The ability of a mineral to resist being scratched by another mineral or object is called:
A.
resistance
B.
hardness
C.
scratchability
5. 
Non- silicates are
A.
may be native elements, carbonates, halides, sulfates or oxides
B.
contain silicon
C.
are the same as rocks
6. 
Based on the origin rocks are classified as:
A.
simple or complex
B.
silicates or non-silicates
C.
sedimentary, igneous or metamorphic
7. 
Igneous rocks
A.
always cool and crystallise under the Earth's surface
B.
are formed by the colling and solidification of magma or lava
C.
are formed through chemical processes only
D.
by the accumulation of sediments
8. 
Slate and marble are
A.
foliated metamorphic rocks
B.
sedimentary rocks
C.
metamorphic rocks
9. 
Magmatism is
A.
the process by which rocks get molten as magma and later solidifies
B.
the process by which pressure transforms a rock into a different one
C.
the process by which sediments join together to form a rock
10. 
Lustre in minerals refers to...
A.
If the have a metallic or non-metallic shining
B.
To the way they break
C.
To the colour of the powder they form when we use them to scratch a surface
11. 
Calcite can be scratched by
A.
Gypsum
B.
Diamond
C.
Diamond and another calcite
12. 
Iron and nickel are the main important components of:
A.
The crust
B.
The mantle
C.
The core
13. 
The image shows a rock called
A.
Obsidian: a volcanic igneous rock
B.
Granite: a plutonic igneous rock
C.
Gypsum: a chemical sedimentary rock
14. 
The image shows a rock called
A.
Obsidian: a volcanic igneous rock
B.
Granite: a plutonic igneous rock
C.
Oil: an organic sedimentary rock