States of Matter
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Questions and Answers

Which statement about solids is incorrect?

  • Solids cannot flow.
  • Solids have a definite shape and size.
  • Solids can be easily compressed. (correct)
  • Solids occupy space.

    • Which feature distinguishes liquids from solids?

  • Liquids have a definite volume.
  • Liquids can flow. (correct)
  • Liquids are hard to compress.
  • Liquids have a definite shape.

    • Which of the following is not a characteristic of matter?

  • Matter can only be a solid. (correct)
  • Matter occupies space.
  • Matter has mass.
  • Matter consists of molecules.

    • What is the smallest unit of matter?

    <p>Atom.</p> Signup and view all the answers

    Why are gases easily compressible compared to liquids?

    <p>Gases have more space between their molecules.</p> Signup and view all the answers

    Which of the following substances is a liquid?

    <p>Water.</p> Signup and view all the answers

    Which characteristic is common to both solids and liquids?

    <p>Both occupy space.</p> Signup and view all the answers

    What defines the state of matter regarding molecules?

    <p>The arrangement of the molecules.</p> Signup and view all the answers

    Which statement about the force of attraction between molecules is true for liquids?

    <p>The force is less strong than in solids.</p> Signup and view all the answers

    Which of the following is a characteristic of matter in its gaseous state?

    <p>Gases occupy space.</p> Signup and view all the answers

    Study Notes

    Matter

    • Anything that occupies space and has mass is called matter.
    • All living and non-living things are made of matter.

    States of Matter

    • Matter exists in three states: solid, liquid, and gas.

    Solids

    • Molecules in solids are packed tightly with strong forces of attraction.
    • No space between molecules to move around.
    • Solids have a definite shape and size.
    • Solids have a fixed volume.
    • Solids occupy space.
    • Solids cannot flow.
    • Solids have very little or no space between molecules, making them compact and hard to compress.

    Liquids

    • Molecules in liquids have empty spaces between them.
    • Liquids do not have a definite shape.
    • Liquids have a definite volume.
    • Liquids can flow.
    • Force of attraction between molecules is less strong than in solids.
    • Liquids can be compressed, but not as much as gases.
    • Liquids occupy space.

    Examples

    Examples of Solids

    • Wood
    • Pencil
    • Rubber
    • Sponge

    Examples of Liquids

    • Water
    • Juice
    • Milk
    • Oil

    Examples of Three States of Matter

    • Solid - Iceberg
    • Liquid - Water
    • Gas - Air

    Molecules and Atoms

    Molecules

    • A matter (solid, liquid, or gas) is made up of tiny particles called molecules.
    • Molecules are so tiny they cannot be seen with naked eyes.
    • A molecule is the smallest unit of matter that has all the properties of that particular matter.
    • A molecule can be further broken down into atoms.

    Atoms

    • An atom is the smallest unit of matter.
    • Atoms form a molecule, making them the smallest unit of matter.
    • The states of matter vary from each other based on the arrangement of molecules.

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    Description

    Learn about the properties and characteristics of matter in its three main states: solid, liquid, and gas. Understand the molecular arrangement and features of each state.

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