問題一覧
1
what is the theory of plate tectonics
earths outer shell is divided into several plates that glide over earths Ricky inner layer
2
what type of plate boundary is this?
contiental to oceanic convergent
3
what are the advantages of earth based telescopes
easy access , cheaper
4
what effects do volcanos have on the non human biosphere
destruction of habitat and vegetation death
5
what happens at transform-fault boundaries?
plates slide pass each other causing earthquakes
6
what effects do volcanos have on the lithosphere?
alter land formations, create new lands and changes in ecosystem
7
what effects do volcanos have on the atmosphere?
dust gas and rocks are released
8
what types of telescopes are used to see space?
optical, radio and Hubble space telescopes
9
what effects do tsunamis have on the hydrosphere?
flooding, pollution, salt water contaminating freshwater
10
what is a solar system?
a make up if oalentd and moon that orbit around a star, accompanied by meteoroids, comets and asteroids
11
what is a tsunami?
a series of waves cause by wave displacement during earthquakes or volcanic eruptions
12
what effects do tsunamis have on the non human biosphere
crops and trees destroyed, animal life threatened
13
what is a volcano?
volcanos are formed when molten rock or magma burst through a weakness in earths crust. heat and pressure builds eventually erupting from volcanic fissures
14
what effects do earthquakes have on the human biosphere?
death injury and disease
15
what effects do volcanos have on the human biosphere?
death, town infrastructure loss and physical problems
16
what is some evidence of the Big Bang?
Doppler effect , cosmic background radiation , bubbles law , presence of lighter elements
17
what type of plate boundary is this?
continental to continental divergent
18
what is a cyclone?
a characterised tropical storm moving in a circular direction
19
what is the Big Bang theory?
the universe exploded in all direction from a single point
20
what is the theory of continental drift?
that earth is one big jigsaw puzzle and all the continents fit together
21
what 5 spheres make up earth?
atmosphere, hydrosphere, biosphere, lithosphere and asthenosphere
22
what is a galaxy
an enormous collection of gas, dust and stars spinning in space held together by gravitational forces
23
what is the life of an average star?
stellar nebula , average star , red giant , planetary nebula , white dwarf
24
what happens at divergent boundaries
plates move away from each other and create oceanic ridges
25
what are the 3 plate boundaries?
convergent, divergent and transform-fault
26
what effects do volcanos have on the hydrosphere?
tidal waves, pollution of water
27
what are the 4 main steps of the water cycle?
evaporation, condensation, precipitation and collection
28
what supports plate tectonics
observations of sea floor spreading
29
what effects do cyclones have on the hydrosphere?
pollution, rough seas and storm surges
30
what effects do tsunamis have on the human biosphere?
death, injury, economic and infrastructure loss
31
what is the life of a massive/giant star?
stellar nebula , massive/giant star , red super giant , supernova , either neutron star or black hole
32
who came up with the theory of continental drift?
Alfred wanger
33
what effects do cyclones have on the human biosphere?
water supply and electricity affected and loss of life
34
what effects do cyclones have on the non human biosphere?
destruction of habitat and trees/ crops
35
what was Gondwana
one of two supercontinents when Pangea split, containing Australia, New Zealand, madageser, Africa, Suth America and India
36
what is the asthenosphere?
100-410 km in earths surface, consisting of the upper mantle.
37
what is the result of sudden movement of tectonic plates?
earthquakes, volcanoes, tsunamis, mudslides, geysers etc
38
what effects do cyclones have on the atmosphere?
wind and rain
39
what effects do earthquakes have on the non human biosphere?
destruction of vegetation
40
what is an earthquake
when rocks break and move due to stress it causes a shaking and vibration on the surface
41
what are the disadvantages earth based telescopes?
atmosphère blues images
42
what are some theories of how the universe came to be
steady state universe , eternal inflation , oscillating universe , digital simulation
43
what effects do cyclones have on the lithosphere?
floods, landslides, topsoil and beach erosion
44
what effects do earthquakes have on the atmosphere?
dust and gas emission
45
what are advantages of space based telescopes
better resolution , no interference from atmosphere
46
what are the main steps of the carbon cycle?
photosynthesis, decomposition, respiration and combustion
47
what are tectonic plates
plates that float on top of molten rock (aesthenosphere)
48
what happens at convergent boundaries
plates move toward each other and form volcanos
49
what effects do earthquakes have on the hydrosphere?
if underwater: tsunamis
50
what is the lithosphere?
the rigid outer layer of earth consisting of the crust and upper mantle
51
what effects do earthquakes have on the lithosphere?
changes in earths surface
52
what types of electromagnetic waves are used to get information from space?
radio waves , infrared waves , visible waves
53
how many tectonic plates are there?
15
54
what was Pangea
first supercontinent formed 250 million years ago
55
what effects do tsunamis have on the lithosphere?
landslides, topsoil removed and contamination of water
56
what effects do tsunamis have on the atmosphere?
high winds
57
what is the order of the planets?
mercury , Venus , earth , mars , Jupiter , Saturn , Uranus , Neptune
58
how is distance measured in the universe
astronomical distance
59
what is the universe?
all existing matter and space as a whole
60
what are the disadvantages of space based telescopes
more expensive , harder maintain
61
what is a star
a hot glowing ball of gas mainly made of helium and hydrogen