Semester Exam Flashcards Preview

Science > Semester Exam > Flashcards

Flashcards in Semester Exam Deck (82):
0

Means using one or more of your senses to gather information

Observing

1

When you explain or interpret the things you observe

Inferring

2

Making a statement or claim about what you think will happen in the future

Predicting

3

The grouping together of items that are alike in some ways

Classifying

4

Refers to the diverse ways in which scientists study the naturAl world and propose explanations based on the evidence gathered

Scientific inquiry

5

A possible answer to a scientific question

Hypothesis

6

Shows how one variable responds to the other

Line graph

7

SI unit for length is

Meter

8

SI unit for mass is

Kilogram

9

SI unit for measuring volume is

Cubic meter

10

SI unit for density is

Kilograms per cubic meter

11

SI unit for time is

Second

12

SI unit for temperature is

Kelvin

13

A measure of the force of gravity acting on an object

Weight

14

A measure of the amount of matter in an object

Mass

15

The amount of space something takes up

Volume

16

The measure of how much mass is contained in a given volume

Density

17

A well tested explanation for a wide range of observations or expire mental result

Scientific theory

18

Any representative of an object or process

Model

19

A biologist who wrote about science and nature

Rachel Carson

20

A statement that describes what scientists expect to happen every time under particular conditions

Scientific law

21

Show only and few things and are simple to understand

Simple systems

22

Many parts and many variables interact

Complex system

23

Material or energy that goes into a system

Input

24

What happens In a system

Process

25

Material or energy that comes out of a system

Output

26

Object information that needs to be stored with out any further processing

Storage

27

The layer of rock that forms earth outer skin

Crust

28

The rock below the boundary is this solid material

Mantle

29

The crust and mantle are both in a single layer

Lithosphere

30

The second layer known as the soft layer

Asthenosphere

31

The layer that is formed from increasing pressure 3rd layer

Mesosphere

32

Layer of molten material sour rounding the inner core

Outer core

33

A dense ball of solid metal

Inner core

34

The look and feel of a rocks surface

Texture

35

Thin flat layering

Foliated

36

Grains are arranged randomly

Nonfoliated

37

The process by which dissolved minerals crystallize and glue sediment together

Cementation

38

The process that presses sediments together

Compaction

39

The process by which sediment settles out of water or wind

Deposition

40

Formed from lava coming out of a volcano

Extrusive

41

Magma hardened beneath the surface

Intrusive

42

Forms from the cooling of molten material

Igneous rock

43

Forms when small particles of rock or the remains of plants and animals are pressed together

Sedimentary rock

44

Forms when rocks is changes by heat pressure or chemical reaction

Metamorphic rock

45

Preserved remains or traces of living things

Fossil

46

A rock and it's age compared to the ages of other rocks

Relative age

47

A radioactive element is the time it takes for half of the radioactive atoms to decay

Half life

48

Scientist use radioactive decay to

Calculate the age of rock

49

What forces magma to erupt

Pressure

50

What was the climate of Pangea

Hot and dry

51

What states that the geologic processes that operate today operates in the past

Uniformitarinism

52

What determines the relative age of sedimentary rock layers

Superposition

53

What did earths earliest atmosphere se lack

Oxygen

54

What was wegners hypothesis

All the continents were once joined together in a single landmass that have since drifted apart

55

A device that uses sound waves to measure the distance to an object

Sonar

56

Where does sea floor spreading begin

Mid ocean ridges

57

Heat transfer between the movement of fluids

Convection

58

Heat transfer between materials that are touching

Conduction

59

Earths plates and plate motion into a single theory which states earths plate are in constant motion from convection currents

Plate techtonics

60

What do divergent boundarys do and make

Move apart and Rift Valley

61

What do transform boundarys do and form

Slip past each other and earthquakes

62

What do convergent boundarys do and form

Come together and mountain

63

Volcanoes form along

Convergent and divergent boundaries

64

A molten mixture of rock forming substances gases and water from The mantle

Magma

65

What occurs gradually over days months or even years magma is hot or low in silica

Quiet eruptions

66

Great explosive magma is high in silica

Explosive

67

Why do small earthquakes occur near a volcano

Because of the shifting plates

68

Steep cone shaped hill or mountain

Cinder come volcano

69

Tall cons shaped mountains in which layers of lava alternate with layers of ash

Composite volcano

70

Lava flow slowly which builds this wide gently sloping mountain

Sheild volcano

71

Repeated floods of lava created these high level plateaus

Lava plateaus

72

A major belt of volcano

Ring of fire

73

Volcanos that form at mid ocean ridges occur at what boundarys

Divergent

74

The mixture of hot gases ash cinders and bombs that flow down the sides of a volcano when it erupts explosively

Pyro clastic flow

75

Erupt continually

Active volcano

76

Sleeping expected to awake in the future

Dormat

77

Dead expected to never erupt again

Extinct

78

A bowl shaped area that may form at the top of a volcano at the central vent

Crater

79

Magma that squeezes between horizontal rock layer that harden to form

Sill

80

Magma that forces itself across rock layers harden into

Dike

81

A mass of rock formed when a large body of magma cools inside the crust

Batholiths