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Lesson 1
41問 • 1年前
  • John Marabiles
    • 通報

    問題一覧

  • 1

    Chemistry is often called the "______"

    central science

  • 2

    The type of chemical reaction that occurs when food is burnt is called the ______

    maillard reaction

  • 3

    Applications of chemistry:

    health , energy and environment , technology , agriculture

  • 4

    Rust chemical formula:

    Fe2 O3

  • 5

    Rust is an ______

    iron oxide

  • 6

    Iron rust because of the reaction between:

    iron and oxygen molecules

  • 7

    It is a systematic approach to science

    scientific method

  • 8

    Scientific Methods:

    qualitative , quantitative

  • 9

    Consists of general observation about the system

    qualitative

  • 10

    It comprises of number obtained by various measurements of the system

    quantitative

  • 11

    Scientific method in order (graph):

    observation , representation , interpretation , repeat

  • 12

    Scientific method terminologies:

    hypotheses , law , theory

  • 13

    A tentative explanation for a set of observations

    hypotheses

  • 14

    A concise verbal or mathematical statement of a relationship of a phenomena that is always the same under the same conditions

    law

  • 15

    Unifying principle that explains a body of facts and those laws that depend on them

    theory

  • 16

    Anything that occupies space and has mass

    matter

  • 17

    Types of matter:

    pure substance , mixture

  • 18

    It is composed of two or more pure substances

    mixture

  • 19

    Types of mixtures:

    homogenous , heterogenous

  • 20

    Types of pure substances:

    element , compound

  • 21

    A substance that cannot be separated into simpler forms

    element

  • 22

    Combination of two or more elements

    compound

  • 23

    Basic phases of matter: ✅

    ✅

  • 24

    It has definite volume and shape

    solid

  • 25

    It has definite volume but no definite shape, its shape depends on its container

    liquid

  • 26

    It has no definite volume and shape, its volume and shape depend on its container

    gas

  • 27

    Properties of matter:

    physical , chemical

  • 28

    This property can be measured and observed without changing the composition or identity of a substance

    physical property

  • 29

    To observe this property, we must carry out a chemical change

    chemical property

  • 30

    Measurable properties:

    intensive property , extensive property

  • 31

    This property does not depend on how much matter in being considered

    intensive property

  • 32

    This property depend on how much matter is being considered

    extensive property

  • 33

    Examples of intensive properties:

    temperature , pressure , density , color

  • 34

    Examples of extensive properties

    area , volume , weight , length

  • 35

    Properties which can be determined directly

    macroscopic

  • 36

    Properties which can be determined on the atomic or molecular scale

    microscopic

  • 37

    Measure of the amount of matter in an object

    mass

  • 38

    The force that gravity exerts on an object

    weight

  • 39

    It shows how close a measurement is to the true value of the quantity that was measured

    accuracy

  • 40

    Refers to how closely two or more measurements are

    precision

  • 41

    Problems that involve conversions

    dimensional analysis

    • EM Waves and Spectrum

    EM Waves and Spectrum

    John Marabiles · 73問 · 1年前

    EM Waves and Spectrum

    EM Waves and Spectrum

    73問 • 1年前
    John Marabiles

    Polarization

    Polarization

    John Marabiles · 25問 · 1年前

    Polarization

    Polarization

    25問 • 1年前
    John Marabiles

    Lesson 1

    Lesson 1

    John Marabiles · 9問 · 1年前

    Lesson 1

    Lesson 1

    9問 • 1年前
    John Marabiles

    Lesson 2

    Lesson 2

    John Marabiles · 8問 · 1年前

    Lesson 2

    Lesson 2

    8問 • 1年前
    John Marabiles

    Lesson 3

    Lesson 3

    John Marabiles · 7問 · 1年前

    Lesson 3

    Lesson 3

    7問 • 1年前
    John Marabiles

    Chapter 10

    Chapter 10

    John Marabiles · 43問 · 1年前

    Chapter 10

    Chapter 10

    43問 • 1年前
    John Marabiles

    Evidence Of Evolution

    Evidence Of Evolution

    John Marabiles · 46問 · 1年前

    Evidence Of Evolution

    Evidence Of Evolution

    46問 • 1年前
    John Marabiles

    Traditional Materials

    Traditional Materials

    John Marabiles · 20問 · 1年前

    Traditional Materials

    Traditional Materials

    20問 • 1年前
    John Marabiles

    Crushing Strength Of Common Building Stones

    Crushing Strength Of Common Building Stones

    John Marabiles · 8問 · 1年前

    Crushing Strength Of Common Building Stones

    Crushing Strength Of Common Building Stones

    8問 • 1年前
    John Marabiles

    Properties Of Stones

    Properties Of Stones

    John Marabiles · 16問 · 1年前

    Properties Of Stones

    Properties Of Stones

    16問 • 1年前
    John Marabiles

    Requirements Of Good Building Stones:

    Requirements Of Good Building Stones:

    John Marabiles · 11問 · 1年前

    Requirements Of Good Building Stones:

    Requirements Of Good Building Stones:

    11問 • 1年前
    John Marabiles

    Tests On Stones

    Tests On Stones

    John Marabiles · 5問 · 1年前

    Tests On Stones

    Tests On Stones

    5問 • 1年前
    John Marabiles

    Structural Reading

    Structural Reading

    John Marabiles · 22問 · 1年前

    Structural Reading

    Structural Reading

    22問 • 1年前
    John Marabiles

    General Chemistry

    General Chemistry

    John Marabiles · 50問 · 1年前

    General Chemistry

    General Chemistry

    50問 • 1年前
    John Marabiles

    Lesson 1: Construction Sector

    Lesson 1: Construction Sector

    John Marabiles · 10問 · 1年前

    Lesson 1: Construction Sector

    Lesson 1: Construction Sector

    10問 • 1年前
    John Marabiles

    Lesson 2: Participating in Workplace Communication and Collaboration

    Lesson 2: Participating in Workplace Communication and Collaboration

    John Marabiles · 11問 · 1年前

    Lesson 2: Participating in Workplace Communication and Collaboration

    Lesson 2: Participating in Workplace Communication and Collaboration

    11問 • 1年前
    John Marabiles

    問題一覧

  • 1

    Chemistry is often called the "______"

    central science

  • 2

    The type of chemical reaction that occurs when food is burnt is called the ______

    maillard reaction

  • 3

    Applications of chemistry:

    health , energy and environment , technology , agriculture

  • 4

    Rust chemical formula:

    Fe2 O3

  • 5

    Rust is an ______

    iron oxide

  • 6

    Iron rust because of the reaction between:

    iron and oxygen molecules

  • 7

    It is a systematic approach to science

    scientific method

  • 8

    Scientific Methods:

    qualitative , quantitative

  • 9

    Consists of general observation about the system

    qualitative

  • 10

    It comprises of number obtained by various measurements of the system

    quantitative

  • 11

    Scientific method in order (graph):

    observation , representation , interpretation , repeat

  • 12

    Scientific method terminologies:

    hypotheses , law , theory

  • 13

    A tentative explanation for a set of observations

    hypotheses

  • 14

    A concise verbal or mathematical statement of a relationship of a phenomena that is always the same under the same conditions

    law

  • 15

    Unifying principle that explains a body of facts and those laws that depend on them

    theory

  • 16

    Anything that occupies space and has mass

    matter

  • 17

    Types of matter:

    pure substance , mixture

  • 18

    It is composed of two or more pure substances

    mixture

  • 19

    Types of mixtures:

    homogenous , heterogenous

  • 20

    Types of pure substances:

    element , compound

  • 21

    A substance that cannot be separated into simpler forms

    element

  • 22

    Combination of two or more elements

    compound

  • 23

    Basic phases of matter: ✅

    ✅

  • 24

    It has definite volume and shape

    solid

  • 25

    It has definite volume but no definite shape, its shape depends on its container

    liquid

  • 26

    It has no definite volume and shape, its volume and shape depend on its container

    gas

  • 27

    Properties of matter:

    physical , chemical

  • 28

    This property can be measured and observed without changing the composition or identity of a substance

    physical property

  • 29

    To observe this property, we must carry out a chemical change

    chemical property

  • 30

    Measurable properties:

    intensive property , extensive property

  • 31

    This property does not depend on how much matter in being considered

    intensive property

  • 32

    This property depend on how much matter is being considered

    extensive property

  • 33

    Examples of intensive properties:

    temperature , pressure , density , color

  • 34

    Examples of extensive properties

    area , volume , weight , length

  • 35

    Properties which can be determined directly

    macroscopic

  • 36

    Properties which can be determined on the atomic or molecular scale

    microscopic

  • 37

    Measure of the amount of matter in an object

    mass

  • 38

    The force that gravity exerts on an object

    weight

  • 39

    It shows how close a measurement is to the true value of the quantity that was measured

    accuracy

  • 40

    Refers to how closely two or more measurements are

    precision

  • 41

    Problems that involve conversions

    dimensional analysis