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States of Matter

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

Particle Theory

Subtopic

Particle Theory under States of Matter for Grade 6 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    In the Particle Theory, which of the following is NOT a main idea?

    A.

    Matter is made of tiny particles

    B.

    Particles are always moving

    C.

    Particles grow larger when they get hot

    D.

    There are spaces between particles

  2. 2.

    What is 'dry ice' (solid carbon dioxide) known for doing at room temperature?

    A.

    Melting into a liquid

    B.

    Freezing more water

    C.

    Subliming into a gas

    D.

    Condensing into a liquid

  3. 3.

    What happens to the total mass of a substance when it melts?

    A.

    The mass increases

    B.

    The mass decreases

    C.

    The mass stays the same

    D.

    The mass becomes zero

Download the worksheet for States of Matter - Particle Theory to practice offline. It includes additional chapter-level practice questions.

Solids, Liquids, and Gases

Subtopic

Solids, Liquids, and Gases under States of Matter for Grade 6 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these is the best example of a gas?

    A.

    Honey

    B.

    Smoke

    C.

    Sand

    D.

    Nitrogen

  2. 2.

    When a solid is heated, its particles usually:

    A.

    Move closer together

    B.

    Vibrate faster

    C.

    Stop moving

    D.

    Shrink in size

  3. 3.

    Which state of matter is characterized by having a fixed volume but taking the shape of the bottom of its container?

    A.

    Solid

    B.

    Liquid

    C.

    Gas

    D.

    Vapor

Download the worksheet for States of Matter - Solids, Liquids, and Gases to practice offline. It includes additional chapter-level practice questions.

Changes of State (Melting, Freezing, Evaporation)

Subtopic

Changes of State (Melting, Freezing, Evaporation) under States of Matter for Grade 6 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    When you boil a kettle, the level of the liquid water inside goes down over time. Why?

    A.

    The water is freezing

    B.

    The water is turning into a gas

    C.

    The water is turning into a solid

    D.

    The water is being created

  2. 2.

    What happens to a snowman when the sun comes out and the temperature rises above 0C0^\circ C?

    A.

    It evaporates immediately

    B.

    It freezes more

    C.

    It melts

    D.

    It stays the same

  3. 3.

    In the sequence shown in the diagram, what is the state of matter at point C?

    A.

    Solid

    B.

    Gas

    C.

    Liquid

    D.

    Ice

Download the worksheet for States of Matter - Changes of State (Melting, Freezing, Evaporation) to practice offline. It includes additional chapter-level practice questions.

Physical vs. Chemical Changes

Subtopic

Physical vs. Chemical Changes under States of Matter for Grade 6 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the best way to describe a physical change?

    A.

    A change that creates a new type of matter

    B.

    A change in form or state without changing the identity

    C.

    A change that always involves fire

    D.

    A change that only happens to solids

  2. 2.

    Which change can be easily reversed by cooling or heating?

    A.

    Burning a log

    B.

    Frying a steak

    C.

    Melting an iron bar

    D.

    Souring of milk

  3. 3.

    In which state of matter are the particles most organized?

    A.

    Gas

    B.

    Liquid

    C.

    Solid

    D.

    Steam

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

States of Matter - IB Grade 6 Science Notes & Revision | Krit.club