Rocks Revision Testx

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22 Φεβ 2014 (πριν από 3 χρόνια και 5 μήνες)

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Rocks

Revision

Name:

RISAKO

HUANGI
IF



Total: /28


1. Which of the following is the order for forming sedimentary rocks?

A.

sedimentation
-

cementation
-

compaction

B.
compaction
-

sedimentation
-

cementation

C.
sedimentation
-

compaction
-

cementation

2. Only one of these rocks is a sedimentary rock. Which one?

A.

shale

B.
slate

C.
granite

3. Where are the oldest layers of rock usually found in a
cliff made from sedimentary rock?


A.

at the top


B.

in the middle


C.

at the bottom

4. What is magma?


A.

salt crystals in sedimentary rock


B.

molten rock


C.

bubbles of gas

5. What does the presence of tiny crys
tals in a piece of igneous rock tell you about it?


A.

The molten rock cooled very quickly.


B.

The molten rock cooled very slowly.


C.

The molten rock cooled deep underground.

6. Which type of rock never contains fossils?


A.

sedimentary


B.

igneous


C.

metamorphic

7. Which one of these rocks is an igneous rock?


A.

marble


B.

limestone


C.

basalt

8. Which statement about metamorphic rocks is correct?


A.

They are formed when rocks are heated until they melt.


B.

They are
only formed from heated sedimentary rocks.


C.

They are formed from all types of rock.

9. Which statement about the crystals in metamorphic rocks is correct?


A.

They are small if the molten rock cooled quickly.


B.

They are large if
the molten rock cooled slowly.


C.

They are often arranged in layers.

10. Which metamorphic rock is formed from limestone?


A.

marble


B.

slate


C.

shale

11. Which of these is not an example of physical weathering?

A.

freeze
-
thaw

(water in the cracks of the rock freeze and expand, which causes the widening of
the cracks, and eventually breaks the rock into pieces)

B.

acid rain falling on limestone

C.

wind blowing sand onto a rock

12.
What happens to pieces of rock as they are transported by a river?


A.

They get larger and more jagged.


B.

They get smaller and more rounded.


C.

They get smaller and more jagged.

13. The process of breaking down of rocks into
smaller particles is called:


A.

weathering

B.

erosion

C.

sedimentation


14. In a river, deposition of sediments occurs most in water flow
,

which is:


A.

fast

B.

slow

C.

turbulent


15. Coal is a sedimentary rock made up of organic matter that has become
solid. Unlike
limestone, coal is made up of:


A.

plant fossils

B.

shells

C.

insects

D.

dinosaurs


16
.

In which type of rock are dinosaur fossils most likely to be found
?

A.

Igneous

B.

Metamorphic

C.

Volcanic

D.

Sedimentary


17
. Gabbro is a dark
-
coloured intrusive
igneous rock. A reasonable prediction is that:

A.

crystals in gabbro are difficult to see.

B.

all the crystals squashed into lines.

C.

the crystals are quite large.

D.

the rock has many holes in it.


18
. Coal is a sedimentary rock that forms when:

A.

plant
s fall into lava and become burned to a black charcoal.

B.

bacteria in soil partially decompose and leave behind a black residue.

C.

tiny ancient single celled organisms became buried under soil that turned into rock.

D.

plants are buried and compressed be
tween rock layers.


The next two questio
ns (19

20
) refer to the following table.


Original rock

Metamorphic
rock

Original
rock

Metamorphic
rock


Limestone

Marble

Granite

Gneiss

Appearance

Grey, dull

Slightly hard

Slightly rough

White, shiny

Very hard

Smooth feel

Light and
dark

Hard

Rough feel

Dark, shiny

Hard

Slightly rough

‘Ingredients’

Calcium
carbonate

Calcium
carbonate

Biotite,
quartz

feldspars

Mainly biotite,

feldspars,
quartz

Fossils

Little shells

Little shells

None

None

How it’s made

Formed
by
sedimentation
over marine
animals

changed by heat
and pressure

Liquid rock
called
magma
solidified


Changed by heat
and pressure


19. Which statement is a conclusion that can be drawn from the data in the table?

A.

The appearance of a rock is not chang
ed by heat and pressure.

B.

When rocks are changed into metamorphic rocks they become rougher.

C.

Heat and pressure cause fossils to form.

D.

Being affected by heat and pressure does not change the ingredients of a rock.


20
. What type of rock is
limestone?

A.

Metamorphic

B.

Sedimentary

C.

Intrusive igneous

D.

Extrusive igneous


1.

2.

3.

4.

5.






6.

7.

8.

9.

10.






11.

12.

13.

14.

15.






16.

17.

18.

19.

20.



The next five

questions
(21

25
) refer to the following information.


Use the words in the box below to complete the following sentences. Some of the words may be
used more than once.
Some words may not be used at all
.







21.

____________________ wears away rocks but does not carry away the pieces.
(1 mark)

22.

____________________ is the process of transporting small broken pieces of ________________ to

another location.
(2 marks)

23.

The two types of weathering are ____________________ and ____________________
(2 marks)

24.

Acid rain is an example of ____________________ ____________________
(2 marks)

25.

In dry places most erosion is done by
____________________
(1 mark)


Slow erosion running water wind frost weathering sand and dust fast
glaciers moving stati
onary rocks minerals physical chemical