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WorksheetsSem 1 Science Review
Total questions: 51
Worksheet time: 26mins
Name
Class
Date
1.
4 of the five characteristics of a mineral are: It must be a solid - It must have a definite chemical composition - It must be inorganic (never living) - It must be naturally occurring (not man made) ...
What is the fifth characteristic?
What is the fifth characteristic?
a)
crystalline structure
b)
dissolves in water
c)
is underground
d)
is transparent
2.
There are three types of sedimentary rock. Two of these are clastic and chemical.
What is the third type of sedimentary rock?
What is the third type of sedimentary rock?
a)
layered
b)
inorganic
c)
organic
d)
intrusive
3.
What 2 processes besides weathering and erosion must be applied to any kind of rock to make it a sedimentary rock?
a)
heat & pressure
b)
deposition & compaction
c)
it must melt
d)
foliation
4.
There are two kinds of igneous rock. Igneous rock forms when other types of rock melt, become either magma or lava, and cool again. Igneous rock that forms from cooled magma deep within the Earth is called intrusive igneous rock.
What is the main characteristic of intrusive igneous rock like this granite?
What is the main characteristic of intrusive igneous rock like this granite?
a)
large crystals
b)
small crystals
c)
dark color
d)
smooth texture
5.
What must happen to any kind of rock to make it an igneous rock?
a)
heat and pressure
b)
it must melt
c)
deposition
d)
foliation
6.
Metamorphic rock is formed deep within the Earth under extreme heat and pressure. Gneiss is a foliated rock. It has bands of color, formed when pressure makes the minerals line up together. The other type of metamorphic rock forms under even more pressure and the bands spread out.
What is this second type of metamorphic rock called?
What is this second type of metamorphic rock called?
a)
striped
b)
non-foliated
c)
foliated
d)
granite
7.
What forces must act on any type of rock to make it a metamorphic rock?
a)
heat & pressure
b)
it must melt
c)
deposition
d)
foliation
8.
Why are fossils found only in sedimentary rock?
a)
igneous rock isn't old enough
b)
fossils form only on land
c)
fossils form only in water
d)
fossils are destroyed by heat & pressure
9.
What is relative dating?
a)
superposition means rock on top is older
b)
superposition means rock on top is younger
c)
rock that's worn away is older
d)
all rock is 4.6 billion years old
10.
What is absolute dating?
a)
all answers are absolutely correct
b)
rock is dated compared to other rock
c)
rock is dated based on where it is found
d)
the rock has an approximate numerical date
11.
What is an index fossil used for?
a)
to date rock layers and other fossils
b)
to help paleontologists dig for fossils
c)
to show us how dinosaurs lived
d)
to understand how mountains form
12.
What is uniformitarianism?
a)
weathering did not occur in the past
b)
all rock was the same in the past
c)
the same processes occur today as they did in the past
d)
weather was the same in the past as it is today
13.
What is catastrophism?
a)
changes on Earth happen suddenly
b)
changes always happen during a full moon
c)
the Earth changes slowly
d)
volcanoes erupt more today than in the past
14.
What geologic era do we live in?
a)
precambrian
b)
paleozoic
c)
mezozoic
d)
cenozoic
15.
What was the "Age of the Dinosaurs"?
a)
precambrian
b)
paleozoic
c)
mezozoic
d)
cenozoic
16.
What was the longest time on Earth, before most life ever formed?
a)
precambrian
b)
paleozoic
c)
mesozoic
d)
cenozoic
17.
What was the "Age of Fish & Reptiles"?
a)
precambrian
b)
paleozoic
c)
mesozoic
d)
cenozoic
18.
What is not true about the Theory of Continental Drift?
a)
fossils are the same on different continents
b)
continents fit like puzzles
c)
mountains are the same all over the world
d)
the antactic was once a tropical climate
19.
The San Andreas Fault in California is an example of what type of boundary?
a)
convergent
b)
divergent
c)
transform
d)
continental
20.
What is the force at work in a transform boundary fault called?
a)
tension
b)
compression
c)
shearing
d)
stress
21.
There are two types of boundaries that are moving away from each other.
What are these called?
What are these called?
a)
divergent
b)
convergent
c)
transform
d)
oceanic
22.
What is the name of the boundary that has built up the longest mountain chain in the world?
a)
Andes
b)
Himalayas
c)
Atlantic mountains
d)
mid ocean ridge
23.
What is the name of the divergent boundary in Africa?
a)
Marianas Trench
b)
Mid African Trench
c)
African Rift Valley
d)
Mount Kilimanjaro
24.
What force is acting at divergent boundaries?
a)
tension
b)
compression
c)
shearing
d)
stress
25.
There are three types of convergent boundaries.
What happens at a continental-continental boundary?
What happens at a continental-continental boundary?
a)
mountains form
b)
volcanoes form
c)
trenches form
d)
oceans form
26.
What happens when oceanic crust subducts beneath continental crust?
a)
mountains form
b)
volcanoes form
c)
trenches form
d)
oceans form
27.
What happens when an oceanic crust subducts under another oceanic crust?
a)
volcanoes form
b)
trenches form
c)
mountains form
d)
continents move
28.
What is the name of the force at work at convergent boundaries?
a)
compression
b)
tension
c)
shearing
d)
stress
29.
What is an example of a volcanic 'hot spot"?
a)
Mount St. Helens
b)
Ring of Fire
c)
Iceland
d)
Hawaiian Islands
30.
Which type of rock is most abundant in the continental crust?
a)
basalt
b)
gneiss
c)
sandstone
d)
granite
31.
How do we recognize that granite is a slowly cooled intrusive igneous rock?
a)
large crystals
b)
small crystals
c)
many colors
d)
temperature
32.
Which type of rock is most abundant in the oceanic crust?
a)
granite
b)
gneiss
c)
basalt
d)
sandstone
33.
Basalt is an extrusive igneous rock. This means it cooled on the surface of the Earth.
Why does basalt have very small crystals and a smooth appearance?
Why does basalt have very small crystals and a smooth appearance?
a)
it cooled slowly in the Earth
b)
it is made of magma
c)
it was crushed under pressure
d)
it cooled very quickly
34.
Why is oceanic crust younger than some continental crust?
a)
it erodes more quickly
b)
it subducts and is recycled in the mantle
c)
it weathers under the ocean
d)
it formed after the continents
35.
What is the layer of rock beneath the lithosphere?
a)
the molten aesthenosphere
b)
the solid mesosphere
c)
the molten outer core
d)
the solid inner core
36.
Why do the convection currents in the asthenosphere move?
a)
the pressure of the lithosphere pushes them
b)
the Earth is rotating
c)
the core is rotating
d)
hot molten rock rises, cools and sinks
37.
Why are the lithosphere and the mesophere solid, while the asthenosphere is molten?
a)
a different amount of heat and pressure
b)
the sun dries out the lithosphere
c)
the movement of the Earth
d)
depends on which season we are having
38.
Which is not a reason why the outer and inner core are made primarily of iron and nickel?
a)
iron and nickel are the hottest metals
b)
the Earth was still molten when the core formed
c)
iron and nickel sank to the center
d)
iron and nickel are very dense metals
39.
Why is the inner core able to spin faster than the Earth's 24 hour rotation?
a)
it is very hot & dense
b)
it is farthest away from the crust
c)
it is floating in the molten outer core
d)
the sun's gravity cannot reach that deep
40.
Why can the inner core remain solid when it is so hot?
a)
due to extreme pressure
b)
due to extreme heat
c)
because it moves
d)
because it is made of iron
41.
What is the most important function of the outer and inner core?
a)
keep the Earth warm
b)
drive the convection currents
c)
cause the Earth's rotation
d)
create Earth's magnetic field
42.
The Earth is protected by a magnetic field which is produced by the movements of the outer and inner core.
What is not a reason why this is so important?
What is not a reason why this is so important?
a)
Earth would be dead like Mars
b)
Our atmosphere would burn off
c)
We would lose our gravitational pull on the Moon
d)
Earth would be bombarded with radiation from the sun
43.
What is the correct order for the steps of the scientific method?
a)
question, research, experiment, hypothesis, analyze data, communicate results
b)
question, research, experiment, hypothesis, communicate results, analyze data
c)
question, research, hypothesis, experiment, analyze data, communicate results
d)
question, experiment, research, hypothesis, analyze data, communicate results
44.
What is the one variable you can /must change during an experiment?
a)
independent/manipulated variable
b)
dependent/responding variable
c)
control variable/s
d)
laboratory
45.
Which is the variable that changes as a result of the changes to the independent variable?
a)
controlled variables
b)
dependent/responding variable
c)
independent/manipulated variable
d)
the base line
46.
Every other part of the experiment must remain the same. These are which variables?
a)
independent/manipulated variables
b)
dependent/responding variable
c)
laboratory air supply
d)
controlled variables
47.
What is a quantitative observation?
a)
you can give it a numerical value
b)
you know why it is happening
c)
you use your senses to understand it
d)
you make observations about its surroundings
48.
What is a qualitative observation?
a)
you can give it a numerical value
b)
you know why it is happening
c)
you use your senses to understand it
d)
you make observations about its surroundings
49.
Which of these is not a definition for an inference?
a)
what you think hppened
b)
your conclusion based on observations
c)
what you think will happen
d)
what you see, feel, hear, taste or smell
50.
Three causes of mechanical/physical weathering are: abrasion, plants, animals.
What are the other two?
What are the other two?
a)
ice wedging & oxidation
b)
oxidation & acid rain
c)
ice wedging & pressure release
d)
carbon dioxide & acid rain
51.
Three causes of chemical weathering are: organisms (plants & animals), rock dissolving in water, carbon dioxide.
What are the other two?
What are the other two?
a)
ice wedging & oxidation
b)
oxidation & acid rain
c)
ice wedging & pressure
d)
carbon dioxide & acid rain
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