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Matter and Chemical Change

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Particle Model of Matter

Subtopic

Particle Model of Matter under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    When steam touches a cold mirror and turns into water droplets, this is called:

    A.

    Melting

    B.

    Evaporation

    C.

    Condensation

    D.

    Sublimation

  2. 2.

    What do we call the change of state from liquid to gas that occurs only at the surface of the liquid?

    A.

    Boiling

    B.

    Evaporation

    C.

    Freezing

    D.

    Melting

  3. 3.

    Which state of matter is characterized by particles vibrating in fixed positions?

    A.

    Gas

    B.

    Liquid

    C.

    Solid

    D.

    Vapor

Download the worksheet for Matter and Chemical Change - Particle Model of Matter to practice offline. It includes additional chapter-level practice questions.

States of Matter

Subtopic

States of Matter under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In which state are the attractive forces between particles the weakest?

    A.

    Solid

    B.

    Liquid

    C.

    Gas

    D.

    They are the same in all states

  2. 2.

    When steam touches a cold soda can, it turns into water droplets. This is called:

    A.

    Evaporation

    B.

    Condensation

    C.

    Melting

    D.

    Sublimation

  3. 3.

    What is the term for the amount of space an object occupies?

    A.

    Mass

    B.

    Weight

    C.

    Volume

    D.

    Density

Download the worksheet for Matter and Chemical Change - States of Matter to practice offline. It includes additional chapter-level practice questions.

Elements, Compounds, and Mixtures

Subtopic

Elements, Compounds, and Mixtures under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The vertical columns on the periodic table are known as:

    A.

    Periods

    B.

    Rows

    C.

    Groups

    D.

    Scales

  2. 2.

    Which of the following is the chemical symbol for Fluorine?

    A.

    Fl

    B.

    F

    C.

    Fe

    D.

    Fr

  3. 3.

    Which of these is a characteristic of a pure substance?

    A.

    It can be separated by filtration.

    B.

    It has a constant composition.

    C.

    It is always a liquid.

    D.

    It must contain at least two different elements.

Download the worksheet for Matter and Chemical Change - Elements, Compounds, and Mixtures to practice offline. It includes additional chapter-level practice questions.

Physical vs. Chemical Changes

Subtopic

Physical vs. Chemical Changes under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If you mix sand and water, and the sand sinks to the bottom, what has happened?

    A.

    A chemical change occurred

    B.

    A physical change occurred

    C.

    The sand turned into water

    D.

    A new substance was created

  2. 2.

    Which of the following is a clue that a chemical change has taken place?

    A.

    A change in volume

    B.

    A change in texture

    C.

    The evolution of heat or cold

    D.

    Breaking into smaller pieces

  3. 3.

    Melting a lead weight to pour it into a new mold is a:

    A.

    Chemical change

    B.

    Physical change

    C.

    Biological change

    D.

    Geological change

Download the worksheet for Matter and Chemical Change - Physical vs. Chemical Changes to practice offline. It includes additional chapter-level practice questions.

Introduction to the Periodic Table

Subtopic

Introduction to the Periodic Table under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the chemical symbol for Sulfur?

    A.

    Su

    B.

    Sf

    C.

    S

    D.

    Sl

  2. 2.

    The Alkali Metals are found in which group of the Periodic Table?

    A.

    Group 1

    B.

    Group 2

    C.

    Group 17

    D.

    Group 18

  3. 3.

    Where are the Transition Metals located on the Periodic Table?

    A.

    The far left column

    B.

    The far right column

    C.

    The middle block

    D.

    The very top row

Download the worksheet for Matter and Chemical Change - Introduction to the Periodic Table to practice offline. It includes additional chapter-level practice questions.

Separating Mixtures (Filtration, Distillation, Chromatography)

Subtopic

Separating Mixtures (Filtration, Distillation, Chromatography) under Matter and Chemical Change for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following describes the movement of the solvent in chromatography?

    A.

    It moves down the paper due to gravity

    B.

    It stays at the bottom of the beaker

    C.

    It moves up the paper by capillary action

    D.

    It evaporates before reaching the ink

  2. 2.

    What is the boiling point of pure water at standard pressure?

    A.

    0C0^{\circ}C

    B.

    50C50^{\circ}C

    C.

    100C100^{\circ}C

    D.

    120C120^{\circ}C

  3. 3.

    In an experiment to separate sand, salt, and water, which process would you use LAST?

    A.

    Filtration

    B.

    Evaporation

    C.

    Dissolving

    D.

    Decanting

Download the worksheet for Matter and Chemical Change - Separating Mixtures (Filtration, Distillation, Chromatography) to practice offline. It includes additional chapter-level practice questions.

Matter and Chemical Change - Grade 7 Science (IB) | Krit.club