krit.club logo

Physics

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

Forces and Motion (Speed, Friction, and Gravity)

Subtopic

Forces and Motion (Speed, Friction, and Gravity) under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A car's speedometer shows 60 km/h60\text{ km/h}. This is a measure of the car's:

    A.

    Distance

    B.

    Instantaneous speed

    C.

    Mass

    D.

    Acceleration

  2. 2.

    Which of these items would be most useful to measure the time it takes for a ball to roll down a ramp?

    A.

    A thermometer

    B.

    A measuring cylinder

    C.

    A stopwatch

    D.

    A ruler

  3. 3.

    To calculate average speed, you need to know the total distance and the:

    A.

    Total force

    B.

    Total time

    C.

    Total mass

    D.

    Total weight

Download the worksheet for Physics - Forces and Motion (Speed, Friction, and Gravity) to practice offline. It includes additional chapter-level practice questions.

Energy Transfers and Conservation

Subtopic

Energy Transfers and Conservation under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    When a drill is used to make a hole in wood, the drill bit gets hot. This is because kinetic energy is being transferred to which store?

    A.

    Chemical store

    B.

    Thermal store

    C.

    Magnetic store

    D.

    Nuclear store

  2. 2.

    If you use a force of 5 N5\text{ N} to push a box 2 m2\text{ m}, how much work have you done?

    A.

    2.5 J2.5\text{ J}

    B.

    7 J7\text{ J}

    C.

    10 J10\text{ J}

    D.

    0.4 J0.4\text{ J}

  3. 3.

    A pair of headphones transfers electrical energy primarily into which pathway?

    A.

    Thermal heating

    B.

    Mechanical work

    C.

    Sound waves

    D.

    Chemical storage

Download the worksheet for Physics - Energy Transfers and Conservation to practice offline. It includes additional chapter-level practice questions.

Light (Reflection, Refraction, and Color)

Subtopic

Light (Reflection, Refraction, and Color) under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What color is a magenta object in green light?

    A.

    Magenta

    B.

    Red

    C.

    Blue

    D.

    Black

  2. 2.

    If a ray of light hits a mirror at 0∘0^{\circ} to the normal, it will reflect at an angle of:

    A.

    90∘90^{\circ}

    B.

    180∘180^{\circ}

    C.

    0∘0^{\circ}

    D.

    45∘45^{\circ}

  3. 3.

    Which color of light is refracted the least by a prism?

    A.

    Violet

    B.

    Blue

    C.

    Green

    D.

    Red

Download the worksheet for Physics - Light (Reflection, Refraction, and Color) to practice offline. It includes additional chapter-level practice questions.

Sound Waves and Vibrations

Subtopic

Sound Waves and Vibrations under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following describes the relationship between pitch and frequency?

    A.

    Higher frequency results in a higher pitch

    B.

    Lower frequency results in a higher pitch

    C.

    Frequency does not affect pitch

    D.

    Higher frequency results in a louder sound

  2. 2.

    If an object vibrates 50 times in one second, what is its frequency?

    A.

    50 Hz50\text{ Hz}

    B.

    0.5 Hz0.5\text{ Hz}

    C.

    500 Hz500\text{ Hz}

    D.

    5 Hz5\text{ Hz}

  3. 3.

    Which of these has the highest frequency?

    A.

    A low-pitched bass drum

    B.

    A person talking

    C.

    A squeaky mouse

    D.

    A humming refrigerator

Download the worksheet for Physics - Sound Waves and Vibrations to practice offline. It includes additional chapter-level practice questions.

Magnetism and Electromagnets

Subtopic

Magnetism and Electromagnets under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these statements about magnetic poles is TRUE?

    A.

    Magnets can have just a North pole

    B.

    A South pole attracts another South pole

    C.

    Magnets always come with both a North and a South pole

    D.

    The poles are the weakest part of a magnet

  2. 2.

    What property of a magnet is used in Maglev (magnetic levitation) trains?

    A.

    Attraction only

    B.

    Repulsion only

    C.

    Both attraction and repulsion

    D.

    Friction

  3. 3.

    Which part of an electric bell uses magnetism to strike the gong?

    A.

    The plastic handle

    B.

    The electromagnet

    C.

    The battery casing

    D.

    The wooden base

Download the worksheet for Physics - Magnetism and Electromagnets to practice offline. It includes additional chapter-level practice questions.

Electricity and Simple Circuits

Subtopic

Electricity and Simple Circuits under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the main advantage of using a parallel circuit for Christmas tree lights?

    A.

    It uses less wire

    B.

    It uses fewer batteries

    C.

    If one bulb burns out, the rest stay on

    D.

    The bulbs are dimmer and last longer

  2. 2.

    If you increase the voltage in a circuit but keep the resistance the same, what happens to the current?

    A.

    It decreases

    B.

    It stays the same

    C.

    It increases

    D.

    It reverses direction

  3. 3.

    Which of the following symbols represents a resistor?

    A.

    An empty circle

    B.

    An empty rectangle

    C.

    A line with a circle

    D.

    A circle with a 'V'

Download the worksheet for Physics - Electricity and Simple Circuits to practice offline. It includes additional chapter-level practice questions.

Space and the Solar System

Subtopic

Space and the Solar System under Physics for Grade 8 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which planet is often called the Morning Star or Evening Star?

    A.

    Venus

    B.

    Mars

    C.

    Saturn

    D.

    Jupiter

  2. 2.

    What is the main difference between a star and a planet?

    A.

    Stars are solid, planets are gas

    B.

    Stars emit light, planets reflect light

    C.

    Planets are larger than stars

    D.

    Planets orbit the Moon, stars orbit the Earth

  3. 3.

    Which of the following contains the most mass in our Solar System?

    A.

    Jupiter

    B.

    The Sun

    C.

    Earth

    D.

    All the planets combined

Download the worksheet for Physics - Space and the Solar System to practice offline. It includes additional chapter-level practice questions.

Physics - IGCSE Grade 8 Science Notes & Revision | Krit.club