Science Trimester 1 Flashcards

1
Q

Science means ___ in Latin

A

scire

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2
Q

Science is…

A

a way of learning about the natural world

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3
Q

scientists use skills such as:

A

observing (using their senses)
inferring (believe something is true)
predicting

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4
Q

Scientific Inquiry:

A

to be curious

inquire=to ask ?s

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5
Q

Questions help…

A

form a hypothesis (educated guess)

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6
Q

Scientific Method:

A
Posing Questions
Developing a Hypothesis
Designing an Experiment
Collect+Interpret Data
Conclusion
Communicating
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7
Q

Inferring:

A

explain/interpret things

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8
Q

Scientific theory:

A

well tested explanation

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9
Q

How people change their world to meet their needs is…

A

technology

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10
Q

engineer:

A

a person trained to use both technology and scientific knowledge to solve practical problems

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11
Q

Biosphere:

A

all living things

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12
Q

Lithosphere:

A

actual surface of the Earth

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13
Q

Atmosphere:

A

the air and surrounding layers

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14
Q

Hydrosphere:

A

all the water on the earth

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15
Q

Environmental Science:

A

studies earth’s environment and resources

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16
Q

Oceanographer:

A

studies the oceans

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17
Q

Geologist:

A

studies the solid earth

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18
Q

Meteorologist:

A

studies the weather and atmosphere

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19
Q

Astronomer:

A

studies the universe

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20
Q

Models are useful for:

A

understanding incomprehensible concepts

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21
Q

Topographic Map:

A

map showing the physical/surface features of an area

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22
Q

Topographic maps provide high information based on-

A

elevation, relief, and slope

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23
Q

A ______ _______ connects points of equal elavation

A

contour line

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24
Q

The change of elevation from contour to contour line is a…

A

contour interval

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25
Contour intervals are always ___ ____
the same
26
Index contours:
every 5th contour line (in dark lines) and are labeled with the elevation above sea levels in round units such as 2k ft above sea level
27
In the US, topographic maps are at a scale of:
1:24,000
28
Topographic symbols:
cross: airport ladder: railroad flag: school doughnut with lines: depression swiggly lines: river circle in a circle in a circle: elevated area
29
prime meridian runs thru:
Greenwich, England
30
latitude:
up
31
longtitude:
down
32
a mineral is:
naturally occurring inorganic, solid, crystal structure, definite chemical composition
33
streak:
color of a mineral power
34
luster:
how light shines on a mineral
35
density is based on=
mass ____ volume
36
Mohs hardness scale order:
``` talc gypsum calcite flurorite apatite feldspar quartz topaz corundum diamond ```
37
cleavage:
a mineral breaking evenly
38
fracture:
a mineral breaking unevenly
39
geode:
rounded hollow rock with crystal lining
40
solution:
mixture of a substance is dissolved in another
41
Minerals form by...
water solution and evaporation
42
gemstone:
hard, colorful mineral with a brilliant/glassy luster
43
smelting:
process of metals becoming filtered
44
alloy:
solid mixture of 2+ minerals
45
limestone is from:
organic rock
46
limestone from precipitated calcite is:
chemical rock
47
sandstone is...
a chemical rock
48
igneous rocks with large crystals are most likely...
intrusive rocks
49
a rock from another rock is:
sedimentary
50
most metamorphic rock forms:
deep underground
51
granite _____ a sedimentary rock
ISN'T
52
Rock forming minerals make the earth's ____
crust
53
texture:
look and feel
54
intrusive:
inside
55
extrusive:
outside
56
compaction:
the process of pressing sediments
57
sedimentary rock from other living things:
organic rock
58
cementation:
gluing crystallizing minerals
59
erosion:
when ice, water, or wind wears away things
60
igneous rocks form when... cools
magma/lava
61
metamorphic rocks is changed by:
chemical reactions, heat, pressure
62
rounded or jagged=
grain shape
63
non-banded or banded=
grain pattern
64
fine/coarse=
grain size
65
skeletons of living coral grow together to form a:
coral reef
66
corals absorb...
calcium
67
coral shells are from:
calcite