oxygen 18 has two more neutrons that oxygen 16

What influences vegetation type in an area?

Both soil composition and climate

What is the biggest difference between the early atmosphere and today's atmosphere?

oxygen is present in today's atmosphere

Make a judgement of value, quality, outcomes, results, size

What is this image showing?

Mid ocean ridges and sea floor spreading

When comparing continental and oceanic rock

continental rock is thicker, less denser and older

What are the four 'spheres' of the earth?

Hydrosphere, atmosphere, lithosphere, biosphere

Palaeomagnetism means

the magnetic properties of ancient rocks

What does biodiversity mean?

The range of different species living in an ecosystem.

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Preliminary Earth and Environmental Science REVISION

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Questions 70

Answers

1
The accumulation of particles into a massive object by gravitationally attracting matter is
The big bang
Absorption
Adsorption
Accretion
2
True or false: All isotopes are radioactive
True
False
3
Which oxygen isotope is more abundant in colder climates?
Oxygen 16
Oxygen 19
Oxygen 18
Oxygen 2
4
Which of the following is an intrusive igneous rock?
Gabbro
Pumice
Quartzite
Basalt
5
This is showing
Photosynthesis
Chemosythesis
Respiration
Decomposition
6
How much fresh water is available for water consumption for terrestrial organisms?
5%
0.016%
2.4%
13%
7
Which of the following is a PLANT fossil that provides evidence for Gondwana?
banksia
lady beetle
mesosaurs
glossopteris
8
True or false: Radiometric dating is the same as radio carbon dating
False
True
9
Identify this rock.
schist
basalt
Obsidian
pumic
10
What is the half life of this radioisotope?
1.5 days
2 days
4 days
1 day
11
which is larger Pangaea or Gondwana
Pangaea
Gondwana
12
Substance A has a density of 5.25 g/cm³, substance B 11.5 g/cm³ and substance C 1.24 g/cm³.
B will sink in C by A will float
Both A and B will sink in C
Both A and C will sink in B
C will sink in B but A will float
13
Which boundary produces the most violent volcanoes?
Convergent
Divergent
14
How do these differ?
oxygen 18 has two more electrons than oxygen 16
oxygen 18 has two more neutrons that oxygen 16
oxygen 18 has two more protons than oxygen 16
Oxygen 16 has two more protons than oxygen 18
15
What process is responsible for this?
Osmosis
Transpiration
Diffusion
Saltmosis
16
Why does the Earth have layers?
It doesn't
Solidification
Evaporation
Density and Gravity
17
How do you confirm that carbon dioxide is produced in a chemical reaction?
universal indicator turns purple
iron rusts
Litmus turns blue
Lime water turns milky
18
Which of the following rocks fizzes when you add acid?
Conglomerate
Limestone
Gneiss
Slate
19
To describe a chemical reaction occurring without oxygen, we use the term
anaerobic
aerobic
20
Which of the following is an extrusive mafic igneous rock?
Basalt
Rhyolite
Diorite
Granite
21
Which colour is the youngest rock?
Red
Ornage
Grey
Beige
22
What influences vegetation type in an area?
the animals that live there
Both soil composition and climate
climate
Soil composition
23
Who are the scientist who performed this experiment?
Curie and Becquerel
Darwin and Wallace
Beadle and Tatum
Urey and Miller
24
Which radioisotope is used to determine the age of organic material?
Carbon 14
Uranium 235
Americium 241
cobalt 60
25
Which modern landmass was not part of gondwana?
Africa
Greenland
Australia
India
26
What is the biggest difference between the early atmosphere and today's atmosphere?
carbon dioxide is present in today's atmosphere
oxygen is not present in today's atmosphere
there is no difference.
oxygen is present in today's atmosphere
27
What is the image showing?
saltwater intrusion
Osmosis
Soil Salinity
Eutrophication
28
Which is more soluble?
oxygen
carbon dioxide
29
What is the scientific word for water hating?
Hydrophillic
Hydrophobic
Hydrothermal
Hydroclaustic
30
What type of boundary is this and what is it forming?
Convergent, mountains
subduction, volcanoes
convergent, volcanoes
divergent, mountains
31
Mafic rocks are rich in
silica and aluminium
iron and magnesium
32
What is the name of this bird species?
Little Bern
Little Tern
White Tern
White Bern
33
The ability to make food from chemicals in the environment is called
foodisynthesis
respiration
Chemosynthesis
photsynthesis
34
What is the current scientifically accepted theory about the formation of the universe?
Panspermia
Cyanobacteria
Big Bang Theory
creationism
35
Assess means
Show how things are different or opposite
Make clear or plain
Identify issues and provide points for and/or against
Make a judgement of value, quality, outcomes, results, size
36
The occurrence of freshwater lungfish in South America and Australia is be explained by:
parallel evolution of lungfish on different continents
fragmentation of Gondwana
migration of lungfish across the ocean
prior existence of land bridges between continents
37
Which layer of the Earth has the highest density?
inner core
Crust
Mantle
Outer core
38
What was the parent rock at Karloo Pool?
Hawkesbury Sandstone
Hawkesbury shale
Cronulla Sandstone
Cronulla shale
39
What human activity has had the biggest impact on the Australian Environment?
Introducing cats
Over population
Land clearing
40
Water is a:
solute
solution
insoluble
solvent
41
What does not determine the distribution of water on the planet?
Weather
Climate
Topography
Geographic Position
42
What is this image showing?
subduction zones and sea floor spreading
subduction zones and trenchs
Mid ocean ridges and sea floor spreading
mid ocean ridges and location of volcanoes
43
When comparing continental and oceanic rock
continental rock is thinner, denser and younger
oceanic rock is thinner, denser and older
oceanic rock is thicker, denser and younger
continental rock is thicker, less denser and older
44
Identify this rock.
Marble
Mudstone
Shale
Sandstone
45
What are the four 'spheres' of the earth?
Hydrosphere, atmosphere, lithosphere, biosphere
inner core, outer core, mantle, crust
Hydrosphere, atmosphere, mesosphere, asthensosphere
watersphere, gassphere, rocksphere, lifesphere
46
Palaeomagnetism means
the magnetic properties of ancient rocks
fossils containing ancient people
comparing ancient pale and dark rock
a diet that involves eating magnetic materials only
47
Which type of radiation is the most penetrating?
Alpha
Micro
Gamma
Beta
48
Who proposed the 'Continental Drift' Theory?
Darwin
Hess
Burn
Wegener
49
Density is determined by
subtracting mass from volume and then multiplying by time
dividing volume by mass
multiplying mass by volume
Dividing mass by volume
50
What is being analysed in this experiment?
Organic content
Moisture content
pH
Salt content
51
What does biodiversity mean?
The range of organisms living in a habitat
The range of animals on the planet
The range of different species living in an ecosystem.
The range of plant species living in an ecosystem
52
Is this foliated or non foliated?
Foliated
non foliated
53
What does this graph show?
As CO2 increase temperatures decreases
There is no relationship between CO2 levles and temperatures
There is a relationship between CO2 levles and temperatures
As CO2 decreases temperature increases
54
These first formed when
Cyanobacteria began respiring
Cyanobacteria began photosynthesising
Archaea began photosynthesising
Archaea began chemosynthesising
55
Which local environmental document did we study?
Towra Point Nature Plan of Management
Greenhills Plant of Management
Karloo Pool Plan of Managemnt
The Royal National Park Plan of Management
56
What were the first cellular organisms on earth?
Fungi
Phytoplanton
Cyanobacteria
Archaea
57
What is this and what generates it?
it is a tsunami caused by a mid ocean ridge
It is a tsunami caused by a volcano
It is a tsunami caused by a divergent plate boundary
it is a tsunami caused by a subduction zone
58
Where is the oldest rock found?
Perth in WA
Woolooware
the Pilbara in NT
the Pilbara in WA
59
As water temperature increases oxygen concentration
decreases
increases
60
Identify this mineral.
Mica
Gypsum
Quartz
Biotite
61
What process is this showing?
the mantle
geology
convection currents
conduction
62
Which best represents the mantle?
Basalt
granite
iron
sandstone
63
A rock is broken down by constant heating and cooling. This is an example of:
physical/mechanical weathering
Chemical weathering
Biological weathering
Spatial weathering
64
When did Gondwana begin to break up?
250mya
80mya
20mya
150mya
65
What are the main components of soil?
Dead plants, water, gases, minerals
Humus, water, gases, salt, chocolate
Minerals, water, salt
Minerals, humus, water and gases
66
The solar system formed approximately
15 billion years ago
6 thousand years ago
4.6 million years ago
4.6 billion years ago
67
This is caused by:
excess water in the water
excess nutrients in the water
excess salt in the water
68
The guides name on the excursion was:
Trace
Jenny
Cathy
Julie
69
Which Australian catchment has been significantly affected by land clearing?
Port Hacking
Murray Darling
Nepean
Woronora
70
The half life of 200g radioisotope is 6 days. How much will be left after 18 days.
25g
12.5g
100g
6.25g

Preliminary Earth and Environmental Science REVISION Flashcards | StudBud