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Year 8 Rocks Wk 1-5

Total questions: 86

Worksheet time: 56mins

Name
Class
Date
1.

The dropping off and settling of sediments to the bottom of a lake or river is called

a)

erosion

b)

deposition

c)

weathering

2.

What is the process process by which water, ice, wind or gravity picks up and moves weathered rock and soil from one place to another.

a)
deposition
b)
landslide
c)
weathering
d)
erosion
3.
The natural chemical or physical processes that breaks down rock on Earth's surface.
a)
weathering
b)
erosion
c)
deposition
d)
jackhammering
4.

Weathering is the process of -

a)

Moving sediment from one place to another

b)

Dropping or leaving sediment in a location

c)

Breaking down rocks into sediment

5.
Select the answer that shows the order of events a rock goes through.
a)
erosion, weathering, deposition
b)
weathering, erosion, deposition
c)
deposition, weathering erosion
d)
erosion, deposition, weathering
6.
Physical and chemical weathering both
a)
change rocks into new materials.
b)
dissolve rocks.
c)
break rocks into smaller pieces.
d)
require exposure to air.
7.

When a big rock breaks apart into smaller pieces, it will NOT weather faster.

a)

true

b)

false

8.
This type of weathering occurs when rock is physically broken down into smaller pieces of rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
9.
This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
10.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
11.
Exposure to rain and oxygen causes the metal minerals in rocks to rust and fall apart.  This is an example of:
a)
mechanical weathering
b)
chemical weathering
12.

The Statue of Liberty has changed colors due to this type of weathering:

a)

oxidation

b)

abrasion

c)

physical weathering

13.

How does freezing water cause the weathering of rocks? The freezing water—

a)

keeps the rocks in place.

b)

makes the rocks last longer.

c)

expands cracks and breaks rocks.

d)

causes rocks to fall in landslides.

14.

Over long periods of time, deposition may change the Earth’s surface by _____.

a)

forming new land features.

b)

breaking down large rocks into smaller ones.

c)

washing away beaches.

d)

moving topsoil.

15.

What causes the greatest erosion effect on our beaches?

a)

Waves

b)

Gravity

c)

Glaciers

d)

Wind

16.

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

a)

A glacier

b)

An iceberg

c)

An ice wedge

d)

A sand dune

17.
Water that flows over the ground surface rather than soaking into the ground.
a)
rill
b)
rain
c)
runoff
d)
ground water
18.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
19.
The ability of a mineral to resist scratching
a)
Streak
b)
Fracture
c)
Hardness
d)
Cleavage
20.
Which is NOT a property used for identifying minerals?
a)
Streak
b)
Hardness
c)
Texture
d)
Density
21.
The most obvious, but also least useful property when identifying minerals
a)
Streak
b)
Luster
c)
Cleavage
d)
Color
22.
The following image shows what mineral property?
a)
Hardness
b)
Streak
c)
Cleavage
d)
None of the above
23.
A mineral breaks into pieces like are shown in the picture. How would you describe its breakage?
a)
Fracture
b)
Cleavage
c)
Glassy
d)
Waxy
24.
The color of the powdered form of a mineral found by rubbing a mineral against a black or white porcelain tile, is called...
a)
Luster
b)
Cleavage
c)
Streak
d)
Fracture
25.
Pryrite has a luster that is...
a)
metallic
b)
greasy
c)
resinous
d)
dull
26.
________ is the mass in a given volume. 
a)
luster
b)
streak
c)
density
d)
hardness
27.
what is the softest mineral?
a)
diamond
b)
talc
c)
graphite
d)
Corundum
28.
When determining which minerals will scratch other minerals, you would need to refer to the:
a)
Periodic Table of Elements
b)
Rocks Guide Book
c)
Moh's Hardness Scale
d)
Richter Scale
29.

What is a crystal?

a)

A pure material that can’t be changed.

b)

Material with a regular,repeating arrangement of atoms.

c)

A foggy like material.

30.

Which of the following is a way that crystals can form in nature?

a)

When liquids cool and start to harden.

b)

When magma cools.

c)

When water evaporates from a mixture.

d)

All of the above.

31.
A valuable, rare mineral
a)
ore
b)
gem
c)
rock
d)
bling
32.
Characteristic observed without changing the identity of the material
a)
luster
b)
color
c)
physical property
d)
specific gravity
33.

If a mineral is scratched by talc, what must its hardness rating be?

a)

1

b)

3

c)

6

d)

10

34.

Diamond is the hardest mineral.

a)

True

b)

False

35.

What is # 4 on the MOH's scale?

a)

Fluorite

b)

Feldspar

c)

Quartz

d)

Calcite

36.

Quartz can be scratched by Topaz.

a)

True

b)

False

37.
Using this scale, which mineral can scratch fluorite?
a)
Talc 
b)
Gypsum 
c)
Apatite 
d)
Calcite 
38.
Can a penny scratch fluorite?
a)
Yes 
b)
No 
39.

Can Scratch 1, but gets scratched by 3. What am I?

a)

Talc

b)

Gypsum

c)

Fluorite

40.

If a mineral can SCRATCH another one, it is -

a)

harder than the mineral

b)

weaker than the mineral

c)

the same mineral

41.
Small pieces of rock, sand, silt is called?
a)
weathering
b)
sediment
42.
The natural "cement" that hold sediments together to form sedimentary rock is made up of?
a)
glue
b)
minerals
c)
marshmallows
43.
Coal is formed from dead plants and other organisms?
a)
True
b)
False
44.
Sedimentary rocks are often formed in layers.
a)
True 
b)
False
45.
Fossils are only found in sedimentary rocks.
a)
True
b)
False
46.
When sediments are pressed together tightly, this is called ____________.
a)
Compaction
b)
Cementation
c)
Weathering
d)
Erosion
47.
Sedimentary rock that is made of fragments of rocks cemented together by a mineral are called...
a)
chemical
b)
organic
c)
clastic
48.
Sedimentary rock made from fossils are called...
a)
organic
b)
chemical
c)
stratified
49.
a)
Lithographic Limestone
b)
Breccia
c)
Coal
d)
Conglomerate
50.
This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
51.
Name this rock.
a)
marble
b)
organic limestone
c)
sandstone
d)
granite
52.
a)
Dolomite
b)
Sandstone
c)
Shale
d)
Coquina
53.

Of the three kinds of sedimentary rocks, a rock that is made up of fragments of older rocks is called

a)

Clastic sedimentary rock

b)

Organic sedimentary rock

c)

Chemical sedimentary rock

54.

Compaction is

a)

When slowing water lays down sediments to form beds

b)

Squeezing of sediment grains together by the weight of sediments above

c)

Precipitation of minerals that "glue" the sediment grains together

d)

When tectonic plate movement raises buried rocks up to the surface

55.

Cementation is

a)

When slowing water lays down sediments to form beds

b)

Squeezing of sediment grains together by the weight of sediments above

c)

Precipitation of minerals that "glue" the sediment grains together

d)

When tectonic plate movement raises buried rocks up to the surface

56.

Of the three kinds of sedimentary rocks, a rock that is made from the remains of living things is called

a)

Clastic sedimentary rock

b)

Organic sedimentary rock

c)

Chemical sedimentary rock

57.

Of the three kinds of sedimentary rocks, a rock that is made by precipitation of dissolved minerals from water is called

a)

Clastic sedimentary rock

b)

Organic sedimentary rock

c)

Chemical sedimentary rock

58.

Remains of living things embedded or imprinted in a sedimentary rock are called

a)

fossils

b)

geodes

c)

strata

d)

clasts

59.

Rock fragments, which range in size from boulders to cobbles to pebbles to microscopic clay grains, are called

a)

fossils

b)

clasts

c)

geodes

d)

stratification

60.
How do coarse-grained igneous rocks form?
a)
from sedimentary rocks changed under pressure
b)
from large rock particles cemented together
c)
from rapidly cooling lava
d)
from slowly cooling magma
61.
Extrusive rock forms beneath Earth's surface.
a)
true
b)
false
62.
Igneous rocks are classified by their origin, texture, and mineral composition.
a)
true
b)
false
63.
Extrusive rocks have larger grains than intrusive rocks.
a)
true
b)
false
64.

Intrusive rock

a)

igneous rock formed from lava that erupted onto Earth's surface

b)

igneous rock formed when magma hardened beneath the surface of Earth

65.

Extrusive rock

a)

igneous rock formed from lava that erupted onto Earth's surface

b)

igneous rock that formed when magma hardened beneath the surface of Earth

66.

Is this Intrusive or Extrusive?

a)

Intrusive

b)

Extrusive

67.

Pumice is

a)

Extrusive

b)

Intrusive

68.
This rock was found near the mouth of a volcano. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
69.

Does this rock have large or small crystals?

a)

large crystals

b)

small crystals

70.

Does this rock have large or small crystals?

a)

large crystals

b)

small crystals

71.

Describe the environment of formation for the following igneous rock (grain size 1-10 mm).

a)

above ground

b)

below ground

72.

Describe the environment of formation for the following igneous rock (grain size < 1 mm).

a)

above ground

b)

below ground

73.

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

74.

When sediments are pressed together tightly, this is called ____________.

a)

Compaction

b)

Cementation

c)

Weathering

d)

Erosion

75.

The process in which sediment are fused or glued together.

a)

compaction

b)

deposition

c)

organic rock

d)

cementation

76.
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
77.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
78.

Granite is an example of

a)

Sedimentary rock

b)

Igneous rock

c)

Metamorphic rock

79.

Obsidian is an example of

a)

Sedimentary rock

b)

Igneous rock

c)

Metamorphic rock

80.

Sandstone is an example of

a)

Sedimentary rock

b)

Igneous rock

c)

Metamorphic rock

81.

What type of rock is this?

a)

Obsidian

b)

Limestone

c)

Pumice

d)

Granite

82.

What type of rock is this?

a)

Conglomerate

b)

Shale

c)

Granite

d)

Pumice

83.

What type of rock is this?

a)

Granite

b)

Obsidian

c)

Sandstone

d)

Pumice

84.

What type of rock is this?

a)

Breccia

b)

Conglomerate

c)

Shale

d)

Sandstone

85.

What type of rock is this?

a)

Pumice

b)

Shale

c)

Limestone

d)

Sandstone

86.

Which type of rock is described by its crystal size?

a)

Igenous

b)

Metamorphic

c)

Sedimetary

d)

All of the above

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