Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science > Definitions > Flashcards

Definitions Flashcards

1
Q

Ductility

A

Ability to be stretched into wires

Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Solubility

A

property of a substance called solute to be dissolved into a solvent to form a solution
Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Density

A

how much mass is contained in a given unit volume of a substance; calculated by dividing the mass by volume
Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Luster

A

How shiny an object is

Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Hardness

A

How solid it is
The ability to scratch
Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Clarity

A

Easy to see

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Atomic mass

A

The mass of an atom in atomic mass units

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Atomic number

A

The number of protons in an atoms nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Chemical group

A

Groups on the periodic table classified under number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Chemical family

A

A column of elements with similar properties on the periodic table
(Noble gases, halogens)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Period

A

A row on the periodic table

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Valence electron

A

The electrons in the outer shell of an atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Metal

A

An element that is lustrous, malleable, and ductile, and conducts heat and electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Malleability

A

The ability for metal to be hammered into thin sheets

Physical property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Non-Metal

A

An element, usually a gas or a dull powdery solid, that does not conduct heat or electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Metalloid

A

An element that has properties of both metals and non-metals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Element

A

A pure substance that cannot be broken down into a simpler chemical substance any any physical or chemical means

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Compound

A

A pure substance composed of two or more different elements that are chemically joined

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Molecule

A

Two or more atoms of the same or different elements that are chemically joined together in a unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Atom

A

The smallest unit of an element

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Heterogenous (mechanical) mixture

A

Able to visually distinguish the substances in the mixture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Homogenous mixture (solution)

A

Looks like a pure substance in his uniform throughout

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Ammeter

A

Device used to measure electric current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Voltmeter

A

A device used to measure potential difference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Ohmmeter

A

A device used to measure resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Battery (cell)

A

Convert chemical energy directly to electrical energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Lightning

A

Dramatic form of electrical discharge caused by the imbalance of electrons on the surface of the cloud and the surface of the earth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Lightning rod

A

Placed on top of buildings as a safety precaution, they allow for a safe path for lightning to flow to the ground so the lightning does not damage electric wiring or circuits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Grounding

A

Connecting an object to a large neutral body like earth that is capable of effectively removing an electrical charge that the object might have

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Comet

A

A chunk of ice and dust the travels in a very long orbit around the sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Asteroid

A

Small celestial objects in the solar system composed of rock and metal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Meteoroid

A

Piece of rock or metal in the source system that is smaller than astroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Meteor

A

Small body of matter from outer space that enters the earths atmosphere appearing as a streak of light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Meteorite

A

Immediate that survives its passage through the earths atmosphere such as that part of it strikes the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Heliocentric model

A

Theory that place is the sun as the center of the universe and the planets orbiting around it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Geocentric model

A

Earth is the orbital Center of all celestial bodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

White dwarf

A

A small white hot dim star created by the remaining material that is left when a red giant dies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Red giant

A

A star near the end of its lifecycle with a mass that is equal to or smaller than the sun becomes larger and redder as it runs out of hydrogen fuel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Nebula

A

A massive cloud of interstellar gas and dust at the beginning of a star

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Corona

A

Thin outer layer of the sun

41
Q

Rotation

A

Process or act of turning or circling ; earths orbit around the sun

42
Q

Revolution

A

Movement of one object around a center or another object

43
Q

Astronomical unit

A

Approximately 150 million kilometers: average distance from Earth to the sun

44
Q

Ecology

A

Deals with the relations of organisms to one another and their physical surroundings

45
Q

Biotic

A

Living things and all of its waste and products it leaves behind

46
Q

Abiotic

A

All the nonliving things in an ecosystem

47
Q

Food chain

A

A sequence of organisms each feeding on the next is showing how energy is transferred from one organism to another

48
Q

Food web

A

A representation of the feeding relationships within the community

49
Q

Trophic level

A

The level of an organism in an ecosystem depending on its feeding position along a food chain

50
Q

Producer

A

An organism that makes it’s own energy rich food compounds using the suns energy

51
Q

Consumer

A

An organism that obtains energy from consuming other organisms

52
Q

Community

A

Populations that live together in a defined area

53
Q

Population

A

Group of organisms of one type that live in the same area

54
Q

Species

A

A group of living organisms consisting of familiar individuals capable of exchanging genes or interbreeding

55
Q

Parasitic

A

Infestation of a parasite

56
Q

Commensalism

A

A relationship between two organisms of different species in which one derives some benefit while the other is unaffected

57
Q

Bioaccumulation

A

The concentration of a substance such as pesticide in the body of an organism

58
Q

Bio amplification

A

The increase of concentration of a substance such as a pesticide as it was higher up in the food web

59
Q

Stewardship

A

Taking responsibility for managing in protecting the environment

60
Q

Non-Metal

A

An element, usually a gas or a dull powdery solid, that does not conduct heat or electricity

61
Q

Metalloid

A

An element that has properties of both metals and non-metals

62
Q

Element

A

A pure substance that cannot be broken down into a simpler chemical substance any any physical or chemical means

63
Q

Compound

A

A pure substance composed of two or more different elements that are chemically joined

64
Q

Molecule

A

Two or more atoms of the same or different elements that are chemically joined together in a unit

65
Q

Atom

A

The smallest unit of an element

66
Q

Heterogenous (mechanical) mixture

A

Able to visually distinguish the substances in the mixture

67
Q

Homogenous mixture (solution)

A

Looks like a pure substance in his uniform throughout

68
Q

Ammeter

A

Device used to measure electric current

69
Q

Voltmeter

A

A device used to measure potential difference

70
Q

Ohmmeter

A

A device used to measure resistance

71
Q

Battery (cell)

A

Convert chemical energy directly to electrical energy

72
Q

Lightning

A

Dramatic form of electrical discharge caused by the imbalance of electrons on the surface of the cloud and the surface of the earth

73
Q

Lightning rod

A

Placed on top of buildings as a safety precaution, they allow for a safe path for lightning to flow to the ground so the lightning does not damage electric wiring or circuits

74
Q

Grounding

A

Connecting an object to a large neutral body like earth that is capable of effectively removing an electrical charge that the object might have

75
Q

Comet

A

A chunk of ice and dust the travels in a very long orbit around the sun

76
Q

Asteroid

A

Small celestial objects in the solar system composed of rock and metal

77
Q

Meteoroid

A

Piece of rock or metal in the source system that is smaller than astroid

78
Q

Meteor

A

Small body of matter from outer space that enters the earths atmosphere appearing as a streak of light

79
Q

Meteorite

A

Immediate that survives its passage through the earths atmosphere such as that part of it strikes the ground

80
Q

Heliocentric model

A

Theory that place is the sun as the center of the universe and the planets orbiting around it

81
Q

Geocentric model

A

Earth is the orbital Center of all celestial bodies

82
Q

White dwarf

A

A small white hot dim star created by the remaining material that is left when a red giant dies

83
Q

Red giant

A

A star near the end of its lifecycle with a mass that is equal to or smaller than the sun becomes larger and redder as it runs out of hydrogen fuel

84
Q

Nebula

A

A massive cloud of interstellar gas and dust at the beginning of a star

85
Q

Corona

A

Thin outer layer of the sun

86
Q

Rotation

A

Process or act of turning or circling ; earths orbit around the sun

87
Q

Revolution

A

Movement of one object around a center or another object

88
Q

Astronomical unit

A

Approximately 150 million kilometers: average distance from Earth to the sun

89
Q

Ecology

A

Deals with the relations of organisms to one another and their physical surroundings

90
Q

Biotic

A

Living things and all of its waste and products it leaves behind

91
Q

Abiotic

A

All the nonliving things in an ecosystem

92
Q

Food chain

A

A sequence of organisms each feeding on the next is showing how energy is transferred from one organism to another

93
Q

Food web

A

A representation of the feeding relationships within the community

94
Q

Trophic level

A

The level of an organism in an ecosystem depending on its feeding position along a food chain

95
Q

Producer

A

An organism that makes it’s own energy rich food compounds using the suns energy

96
Q

Consumer

A

An organism that obtains energy from consuming other organisms

97
Q

Community

A

Populations that live together in a defined area

98
Q

Population

A

Group of organisms of one type that live in the same area

99
Q

Species

A

A group of living organisms consisting of familiar individuals capable of exchanging genes or interbreeding

Science (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions