krit.club logo

Matter in Our Surroundings

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

Physical Nature of Matter

Subtopic

Physical Nature of Matter under Matter in Our Surroundings for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Matter consists of _____ that are in a state of continuous motion.

    A.

    Blocks

    B.

    Layers

    C.

    Particles

    D.

    Waves

  2. 2.

    Which of the following is an observation suggesting that particles of matter are very small?

    A.

    A stone is heavy

    B.

    Water is wet

    C.

    Diluting a colored solution still leaves it colored

    D.

    Air can be felt

  3. 3.

    The mass of an object is measured in which SI unit?

    A.

    Newton

    B.

    Pascal

    C.

    Kilogram

    D.

    Metre

Download the worksheet for Matter in Our Surroundings - Physical Nature of Matter to practice offline. It includes additional chapter-level practice questions.

States of Matter

Subtopic

States of Matter under Matter in Our Surroundings for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the equivalent temperature of 373K373 K in the Celsius scale?

    A.

    0C0^\circ C

    B.

    100C100^\circ C

    C.

    273C273^\circ C

    D.

    37C37^\circ C

  2. 2.

    Why is ice at 273K273 K more effective in cooling than water at the same temperature?

    A.

    Ice has more energy

    B.

    Water has more energy

    C.

    Ice absorbs latent heat from the surroundings to melt

    D.

    Water absorbs latent heat from the surroundings

  3. 3.

    Which of the following is NOT a property of particles of matter?

    A.

    Particles of matter are very small

    B.

    Particles of matter have spaces between them

    C.

    Particles of matter are constantly moving

    D.

    Particles of matter are visible to the naked eye

Download the worksheet for Matter in Our Surroundings - States of Matter to practice offline. It includes additional chapter-level practice questions.

Can Matter Change its State?

Subtopic

Can Matter Change its State? under Matter in Our Surroundings for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The melting points of three different solid substances A, B, and C are provided in the diagram. Which substance has the strongest force of attraction between its particles?

    A.

    Substance A

    B.

    Substance B

    C.

    Substance C

    D.

    All three substances have equal forces of attraction

  2. 2.

    In the process of fusion, the state change is from:

    A.

    Liquid to Gas

    B.

    Gas to Liquid

    C.

    Solid to Liquid

    D.

    Liquid to Solid

  3. 3.

    Which state of matter has neither a fixed shape nor a fixed volume?

    A.

    Solid

    B.

    Liquid

    C.

    Gas

    D.

    Ice

Download the worksheet for Matter in Our Surroundings - Can Matter Change its State? to practice offline. It includes additional chapter-level practice questions.

Evaporation

Subtopic

Evaporation under Matter in Our Surroundings for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    During evaporation, where do the particles of the liquid get the energy to change into vapor?

    A.

    From a heater only

    B.

    From the surrounding air or the liquid itself

    C.

    From the bottom of the container only

    D.

    Energy is not required

  2. 2.

    The cooling caused by evaporation is due to the loss of ___________ by the liquid.

    A.

    Mass

    B.

    Energy

    C.

    Volume

    D.

    Color

  3. 3.

    What is the effect of an increase in temperature on the kinetic energy of liquid particles?

    A.

    Kinetic energy decreases

    B.

    Kinetic energy remains the same

    C.

    Kinetic energy increases

    D.

    Kinetic energy becomes zero

Download the worksheet for Matter in Our Surroundings - Evaporation to practice offline. It includes additional chapter-level practice questions.

Matter in Our Surroundings - Class 9 Science (CBSE) | Krit.club