Science Trimester 1 Flashcards Preview

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Flashcards in Science Trimester 1 Deck (67):
1

Science means ___ in Latin

scire

2

Science is...

a way of learning about the natural world

3

scientists use skills such as:

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

4

Scientific Inquiry:

to be curious
inquire=to ask ?s

5

Questions help...

form a hypothesis (educated guess)

6

Scientific Method:

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

7

Inferring:

explain/interpret things

8

Scientific theory:

well tested explanation

9

How people change their world to meet their needs is...

technology

10

engineer:

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

11

Biosphere:

all living things

12

Lithosphere:

actual surface of the Earth

13

Atmosphere:

the air and surrounding layers

14

Hydrosphere:

all the water on the earth

15

Environmental Science:

studies earth's environment and resources

16

Oceanographer:

studies the oceans

17

Geologist:

studies the solid earth

18

Meteorologist:

studies the weather and atmosphere

19

Astronomer:

studies the universe

20

Models are useful for:

understanding incomprehensible concepts

21

Topographic Map:

map showing the physical/surface features of an area

22

Topographic maps provide high information based on-

elevation, relief, and slope

23

A ______ _______ connects points of equal elavation

contour line

24

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

contour interval

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