What is the difference between felsic and mafic rocks?

Felsic are rich in feldspar & quartz; mafic are rick in magnesium & iron.

What’s the definition of uniformitarianism?

Changes in Earth's crust are from continuous and uniform processes.

Stratigraphy has two related subfields

Lithostratigraphy and biostratigraphy

Which one of these is the closed system?

energy is exchanged between the system and its surrounds but matter isn't

What does photosynthesis need to occur?

Carbon dioxide, water, and light.

A sedimentary rock is formed by:

accumulation of small particles and subsequent cementation and compaction.

The study of rock layers and layering.

What is continental drift?

The theory of continents shifting position on the Earth’s surface.

Which of the following is NOT a property of water?

It is more dense as a solid than a liquid.

What is the order the four concentric layers of the earth from the outside in?

crust, mantle, outer core, inner core

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Earth and environmental science year 11 review

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Revision of units 1 & 2 of Queensland Earth and environmental science. Questions written by year 11 students.

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Questions 20

Answers

1
The population that can be supported indefinitely by its supporting systems is considered
bio- carrying capacity
the Ecological support system
the ecosystem
Net primary production
2
Which is a sedimentary rock?
Obsidian
Pumice
marble
Rock salt
3
What is the difference between felsic and mafic rocks?
Felsic are rich in magnesium & iron; mafic are rich in feldspar & quartz.
Felsic are dark in colour; mafic are light in colour.
Felsic are igneous; mafic are metamorphic.
Felsic are rich in feldspar & quartz; mafic are rick in magnesium & iron.
4
What’s the definition of uniformitarianism?
Earth uniformly shifts all its continents 3cm to the right each decade.
Changes in Earth's crust are from continuous and uniform processes.
Changes to the atmosphere are due to actions of prehistoric civilisations.
Changes to Earth’s crust have not changed the uniform processes.
5
Soil with a pH of 6.6 would be classified as:
acidic.
neutral.
strongly acidic.
alkaline.
6
What are the characteristics of a good Index fossil?
distinctive
All of these options
limited in geological time
abundant and widespread
7
Stratigraphy has two related subfields
Biomimetics and environmental geography
Lithostratigraphy and biostratigraphy
Conservation biology and conservation movement
Ecocriticism and climatology
8
The boundary between less dense water and more dense water (rapid density change for small depth change) is considered
Halocline
Pycnocline
Thermocline
Incline
9
Which one of these is the closed system?
energy and matter are exchanged between the system and its surroundings
energy is exchanged between the system and its surrounds but matter isn't
neither energy nor matter are exchanged between the system and its surround
matter is exchanged between the system and its surrounds but energy isn't
10
What is the method of heat transfer that does not require particles?
convection
electromagnetic
conduction
radiation
11
What does photosynthesis need to occur?
oxygen, water and sugar
Carbon dioxide, water, and light.
Carbon monoxide, dirt, and water.
Flies, manure and light.
12
A sedimentary rock is formed by:
accumulation of small particles and subsequent cementation and compaction.
molten rock solidifying either underneath or above the earth’s crust
physical or chemical alteration by heat and pressure of an existing rock.
cooled lava
13
Stratigraphy is
The study of plants.
The study of the atmosphere.
The study of rock layers and layering.
The study of fossil fuels.
14
Which slow transitions change the Earth's surface?
bushfires/lightning strikes
landslides/volcanic eruptions
earthquakes/tsunamis
erosion/weathering
15
how many mass extinctions has there been?
5
1
3
2
16
Which is an example of a volcanic (extrusive) igneous rock?
Basalt
Gabbro
Marble
Granite
17
Which sphere of the Earth relates to water?
Hydrasphere
Marinesphere
Watersphere
Hydrosphere
18
What is continental drift?
Icebergs breaking away from other icebergs.
Large rubbish islands drifting in the ocean.
A very cold patch of water drifting through the ocean.
The theory of continents shifting position on the Earth’s surface.
19
Which of the following is NOT a property of water?
Its boiling point is 100 degrees Celsius.
It is a great solvent.
It has strong cohesion between particles.
It is more dense as a solid than a liquid.
20
What is the order the four concentric layers of the earth from the outside in?
mantle, crust, outer core, inner core
inner core, crust, outer core, mantle,
outer core, inner core, mantle, crust,
crust, mantle, outer core, inner core

Earth and environmental science year 11 review Flashcards | StudBud