Subduction zones are where...

one continental or ocean plate is forced under another.

a distinct layer of sedimentary rock.

The Ring of Fire is....

around the edge of the Pacific plate.

Relative Dating refers to....

the age of a rock layer in relation to other rock layers.

Deep Ocean trenches were...

not used as evidence to support continental drift.

Fossils that are known as "original remains" are...

organisms that are preserved in full or in part as fossils.

The lustre of a mineral depends on....

how light is reflected from it's surface

petrified fossils form when...

quartz minerals in water replace carbonate found in bone.

Why does a diamond not leave a streak on the streak plate?

The diamond is harder than the plate.

Mountains are formed when...

2 continental plates covered by land collide.

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Science 7 Planet Earth

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Unit 5 Science Test - Planet Earth

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Questions 36

Answers

1
Subduction zones are where...
Marianna's trench is.
one continental or ocean plate is forced under another.
weird fish live.
no submarines are allowed to go.
2
Strata refers to....
an underwater fossil.
a musical instrument.
The rocks found on the shore of salt water bodies.
a distinct layer of sedimentary rock.
3
Rocks are classified by...
Where they are found.
When they are formed.
Their location in strata.
How they are formed
4
The Ring of Fire is....
The ring around a volcano
around the mid-Atlantic Ridge.
around the edge of the Pacific plate.
around the Hawaiian Islands
5
New rock under old rock on mountains, classifies the mountains as...
mountains
complex mountains
thrust block mountains
fault block mountains
6
In the Rock Cycle....
rock is always melting into magma
both are true
magma is always turning into new rock
7
Relative Dating refers to....
dating your cousin.
The date that two or more fossils are found.
The date that two or more rocks are categorized by scientist
the age of a rock layer in relation to other rock layers.
8
The upward or top section of folded rock is called...
anticline
syncline
supercline
fault line
9
Most earthquakes happen...
where they have previously happened.
without warning.
All of the above
along plate boundaries.
10
Rocks are always...
formed by heat and pressure.
made of molten material.
either igneous or sedimentary.
a mixture of minerals.
11
Which of the following has the greatest hardness value?
calcite
diamond
quartz
feldspar
12
The state of Earth's outer core is.....
solid
liquid
dirt
liquid like taffy
13
The state of the Earth's crust is...
dirt
solid
liquid like taffy
liquid
14
The state of Earth's inner core is...
solid
liquid like taffy
dirt
liquid
15
Deep Ocean trenches were...
not used as evidence to support continental drift.
not real.
explored by man.
named after female singers.
16
If you can peel a mineral into flat sheets, this is called...
cleavage
streak
fracture
hardness
17
The state of Earth's upper mantel is...
solid
dirt
liquid
liquid like taffy
18
Fossils that are known as "original remains" are...
trace fossils.
moulds
organisms that are preserved in full or in part as fossils.
casts
19
To test the hardness of a mineral, you would...
hit it with a hammer
bite into it
melt it over high heat
scratch it with something
20
plates move apart at ...
volcanic boundaries
stable boundaries
divergent boundaries
trench boundaries
21
The lustre of a mineral depends on....
how much it is worth
What hue it is
the measurements of the crystals
how light is reflected from it's surface
22
Water freezing and thawing in rock cracks is called...
ice wedging.
flow wedging.
crack wedging.
frost wedging.
23
Fossils can be used to ....
All of the above.
help us understand when and where organisms lived.
determine the relative age of rocks.
determine when an organism went extinct.
24
Older mountains...
appear more smooth.
appear lighter in color.
appear darker in color.
appear more jagged.
25
petrified fossils form when...
salt water preserves the bones.
tree sap surrounds the organism to form amber.
quartz minerals in water replace carbonate found in bone.
the organism has no bones.
26
Why does a diamond not leave a streak on the streak plate?
Diamonds are too expensive to wear them down on a plate.
The diamond is harder than the plate.
The plate is not meant to be streaked.
It does leave a streak.
27
Why do geologists need common terms to describe rocks and minerals?
So they can communicate with each other.
So they can build on prior knowledge.
All of the above
So it makes sense to everyone.
28
The state of Earth's lower mantel is...
liquid like taffy
magma
solid
liquid
29
Sedimentary rocks are formed by ...
compression and melting
heating and cooling
compaction and freezing
compaction and cementation
30
The mineral with the hardness of 1 is...
talc
topaz
amethyst
quartz
31
200 million years ago, the supercontinent was named...
Rohdinia
Pangaea
Galapagos
Atlantis
32
A trace fossil is formed by...
moulds
animal tracks.
casts
animal burrows
33
The way a mineral breaks apart is called...
cracking
chipping
shearing
cleavage or fracture
34
Mountains are formed when...
heavy metal music is played too loudly.
Magma flows up hills.
Tsunamis push sediment upwards.
2 continental plates covered by land collide.
35
Which seismic wave is most noticeable to people?
Secondary (S) waves
Primary (P) waves
surface waves
Seismic wave
36
Which of the following conditions help to preserve fossils?
all of the above
quick burial
protection from scavengers
hard parts

Science 7 Planet Earth Flashcards | StudBud