OUTDOOR SCIENCE SCHOOL VOC (#2 – Test)
[Terms in BLUE were previously defined]
1. (1/2Pg 20) ROCK – a non-living (abiotic) material composed of one or more minerals
(a) “3” types of rocks: igneous, sedimentary and metamorphic
2. (2Pg 20) WEATHERING – the process of breakingdown rock from mountain-
sized to grains of sand by such forces as water, ice,
chemicals, growing plants and changing temperatures
(a) 2 types: mechanical/physical(e.g. release of pressure, freeze/thaw,
plant growth, abrasion, animal action)
chemical(e.g. H2O, O2, CO2, organisms,acid rain, lichen,
oxidation)
(b) weathering is one of nature’s “destructive” forces
3.(2Pg 21) VEIN– a “crack” within a rock that minerals can form in (especially the
minerals quartz and epidote)
(a) (e.g.) mechanical & chemical weathering = water [H2O] in the
veins of rocks & acid rain
4.(2Pg 22) DOMING– a mountain building process in which magma unable to break
through the earth’s crust pushes it up
(a) doming is a type of volcanism
(b) doming is a “constructive force”
5.(2Pg 22) GRANITE– an igneous rock composed chiefly of the minerals: feldspar
(pink), quartz (white), and mica (black)
(a) granite is a speckled looking rock
(b) granite makes up most of the continental crust
6. (1/2 Pg 22) SOIL – finely divided rock material (abiotic) mixed with decayed plant
and animal material (biotic)
(a) soil is the medium in which plants grow
7. (2 Pg 23) EROSION – the wearing away of earth or rock, which is then
transported by air, water, gravity, or changes in temperature
(a) erosion is one of nature’s “destructive” forces
8. (2 Pg 23) AVALANCHE– a large mass of snow, ice, earth, or rock moving swiftly
down a mountain side
9.(2Pg 23) SEEDLING – a young tree grown from the seed to the sapling stage
(a) approximately 4½ feet or less
10. (1/2 Pg 24) OXYGEN[O] – is a colorless, odorless, gaseous element found in our
atmosphere
(a) 21% of the gas making up our air is oxygen [O]
(b) O2 allows aerobic (oxygenated environment) organismsto
efficiently convert food into energy (through cellular
respiration)
(c) O2 is a chemical agent of weathering
11. (2 Pg 24) OXIDATION – is a chemical reaction that occurs with the addition of
oxygen [O] or the removal of hydrogen [H] causing a
change in a substance
(a) in rock = oxidation causes rocks to weather (break down) more
easily and turns it an orange-brownish color
(b) in rock = oxidation causes the iron [Fe] in the rock to RUST
(c) iron oxide [Fe2O3] is a chemical agent of weathering
12. (1/2 Pg 24) ATMOSPHERE– the layers of gases surrounding the Earth and other
planets
(a) Composition: 78% nitrogen[N], 21% oxygen [O], 0.9% argon
[Ar], 0.03% carbon-dioxide [CO2]
(b) Layers: troposphere = lowest layer that we live in
stratosphere = the ozone layer[O3]
mesosphere = meteors burn up and their trails are visible
thermosphere = air is very thin
ionosphere = aurora borealis (Northern Lights) occurs
exosphere = communication satellites orbit Earth
13. (1/2 Pg 24) PRECIPITATION – a water cycle term referring to water being
“deposited”on Earth in various forms
(a) (e.g.)rain, snow, sleet, hail or mist
14. (1/2 Pg 25) ORGANISM – any living thing, plant or animal (unicellular or multi-
cellular)
(a) also an agent of mechanical and chemical weathering
(b) (e.g.) mechanical weathering: plant roots, burrowing animals
(e.g.) chemical weathering: lichen, moss
15. (1/2 Pg 25) BIOTIC– pertaining to life and living things
(a) synonym = organism; organic
(b) antonym = abiotic
(c) (e.g.) in soil the decayed plant and animal remains
16.(2Pg 25) LICHEN– a plant that combines fungi with algae in a mutualism,
symbiotic relationship
(a) lichens get their “structure” from the fungi and their ability to do
“photosynthesis” from the algae
(b) (e.g.) organism agent for “chemical” weathering
17.(2Pg 25) MOSS – a simple, non-flowering green plant that uses the asexual
reproduction process of spores
(a) grows in moist places, on rocks and on wood
18. (1/2Pg 30) ACCUMULATION– a water cycle term referring to the “collection”of
water into larger bodies of water such as rivers,
streams, lakes and oceans
19. (2 Pg 30) WATERSHED – a region or area drained by a stream or river
20. (2 Pg 47) NATURAL RESOURCE – materials found innature that are used by
humans
(a) (e.g.) sunlight, air, water, soil, minerals, rocks, forest, wildlife
21.(1/2 Pg 53) VOLCANISM – two mountain building processes in which magma
(moltenrock) either breaks through the surface (lava) = volcano,
ORpushesup the earth’s crust = doming
(a) volcanism is one of nature’s “constructive” forces
22.(2Pg 58) BEDROCK – the solid rock beneath the soil
(a) also known as “parent rock”
23. (1/2Pg 58) ABIOTIC– the non-living factors in the environment
(a) synonym = inorganic
(b) antonym = biotic
(c) (e.g.) in soil the finely divided rock materials and minerals
(e.g.) water, sunlight, temperature, nutrients, wind
24. (1/2 Pg 59) BACTERIA – (singular bacterium) – are single-celled (unicellular),
microscopic organisms that lack chlorophyll and belong to the
moneran kingdom
(a) bacteria are helpful (decomposers)harmful (causedisease/pollution)
(b) bacteria form and live in colonies
(c) one of the “major” groups of decomposers
25.(2Pg 59) FUNGUS(plural fungi)– an organism that looks like a plant, but cannot do
photosynthesis and therefore is parasitic; has an excellent
root structure; and is one of the partners in the symbiotic
relationship forming “lichen”
(a) fungi are one of the largest groups of decomposers
(b) fungi reproduce using spores (type of “asexual” reproduction)
26.(2Pg 59) DECOMPOSER– a plant or animal which feeds on dead material causing
its breakdown into a simpler form
(a) F B I: (mnemonic device) for the 3 largest groups of decomposers:
F = fungus; B = bacteria; I = invertebrate/insects
27.(2Pg 59) HUMUS – the dark brown,ORGANIC(biotic) substance in soil formed
by the decay of plants and animals containing large amounts of carbon (C)
(a) helps hold moisture in the soil
28.(2 Pg 59) NUTRIENTS – are the minerals and vitamins needed by livingthings
(a) positive“leaching” is the process that carries nutrients from
upper horizon layers to the lower ones
(b) negative“leaching” removes vital nutrients from the soil due to
same crop planting or lack of fertilizing
29.(2 Pg 59) INVERTEBRATE – a lower and simpler form of animal having NO
backbone
(a) antonym = vertebrate
(b) (e.g.) insects, crustaceans, spiders, jellyfish, worms, sponges
30. (2 Pg 59) PERCOLATION– the filtering and cleaning of water as it seeps through
soil and rocks into the ground
31. (2 Pg 59) LARVA (plural larvae) – the feeding stage in the insect life cycle of
complete metamorphosis
(a) (synonyms) “caterpillar” = butterflies / moths
“maggots” = flies
“mealworm” = beetles
32. (1/2 Pg 60) CLIMATE – the average weather conditions of an area over a long
period of time
(a) California’s climate = “mediterranean”
33. (2 Pg 61) TOPSOIL – the uppermost portion of the soil about 6 inches thick, rich
in organic (biotic) materials
(a) also known as the soil layer, Horizon A
34. (2 Pg 61) LITTER – the dead leaves, branches, and other plant and animal remains
(organic matter) that form the top layer of the forest floor
(a) (antonym) “canopy” – the forest ceiling
35. (2 Pg 61) SUBSOIL – the layer of soil below the topsoil in which the roots normally
grow
(a) also known as the soil layer, Horizon B
36. (1/2 Pg 62) MINERAL – an inorganic (non-living/abiotic) substance found in
nature (not human made) which forms rocks
(a) has a definite chemical composition and crystalline structure
37. (1/2 Pg 63) ENVIRONMENT – ALL the various living organisms(biotic)and the
nonliving conditions (abiotic factors) that affect the lives
of those organisms at any point during their life cycle
38. (2 Pg 63) CHAPARRAL – an area containing the community of thick, often thorny
bushes that grow on dry rocky slopes in poor soil found in
California and Mexico
39. (2 Pg 228) DORMANT – a state of suspended activity
(a) volcanoes = not currently active
(b) plants = resting stage during the fall and winter seasons
40. (1/2 Pg 228) MAGMA – molten (melted) rock material
(a) when exposed at the surface = lava
41. (1/2 Pg 231) PLATE TECTONIC THEORY – the concept of continent formation
through the process of slowly moving plates in response
to the convection movement of the magma in the mantle
(a) the plates carry the continental crust and oceanic crust
(b) 7 “primary” lithospheric tectonic plates
*Pacific Plate *African Plate
*North American Plate *Antarctic Plate
*South American Plate *Indo-Australian Plate
*Eurasian Plate
(c) North American Plate = continental USA, most of CA, and the San
BernardinoMountains
Pacific Plate = mostly oceanic crust, Southern California & Hawaii
(d) Plate movement in one year = 3-5 cm (very slow)
42. (2 Pg 231) DIVERGENT PLATE BOUNDARIES – two plates moving apart/away
from each other
(a) (e.g.) mid-ocean ridge (in the Atlantic Ocean)
(b) (e.g.) continental crust (rift valley)
(c) (drawing)
43. (2 Pg 231) CONVERGENT PLATE BOUNDARIES – when two plates collide with
each other with the density (heaviness) of the plates
determining which plate comes out on top
(a) oceanic crust vs oceanic crust at a trench the denser oceanic crust
gets subducted below the less dense plate
(b) oceanic crust vs continental crust the continental crust gets pushed up
over the oceanic crust
(c) continental crust vs continental crust pushes both plates upward
forming mountains ranges (i.e. Himalayas)
(d) (drawing)
44. (2 Pg 231) TRANSFORM PLATE BOUNDARIES – two plates sliding/slipping
past each other, moving in opposite directions
(a) (e.g.) North American Plate and Pacific Plate
(b) (drawing)
45. (1/2 Pg 232) MANTLE – layer of the earth below the crust and above the core, made
of molten and solid rock
(a) lithosphere – solid-like, top portion of the upper mantle and the bottom
most portion of the crust that floats above the asthenosphere, which
causes the rigid area of the crust to crack and form the lithospheric plates
(b) asthenosphere – liquid, tar-like layer of the upper mantle below the
lithosphere creating a convection current movement, which causes the
plates to move
(c) mesosphere – lower mantle, almost solid-like above the core
(d) 3,000 km in depth
(e) (drawing of mantle)
46. (1/2 Pg 232) CRUST– is the outermost solid layer of the Earth, consisting mostly of
crystalline rock only a few kilometers deep
(a) thickest area of the crust (granite rock) = mountains continental crust
thinnest area (basalt rock) = ocean floor oceanic crust
(b) 5-70 km in thickness
(c) (drawing of crust)