Corpus Christi Year 7 Making Changes

25 Questions | Total Attempts: 191

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Making Inference Quizzes & Trivia

Making Changes Quiz


Questions and Answers
  • 1. 
    1.     A chair is dragged across four surfaces – lino, carpet, concrete and ice. Over which surface would the chair experience the LEAST friction?
    • A. 

      (a) the lino

    • B. 

      (b) the carpet

    • C. 

      (c) the concrete

    • D. 

      (d) the ice

  • 2. 
    11.     If a force can act upon an object without touching it, what do we classify the force as?
    • A. 

      The force is a contact force

    • B. 

      The force does not exist

    • C. 

      The force is a non-contact force

    • D. 

      The force is unbalanced

  • 3. 
    1.     Gravity can best be described as …
    • A. 

      A force that pulls you towards the centre of the Earth

    • B. 

      A force that pushes you downwards towards the Earth

    • C. 

      A contact force

    • D. 

      A force that creates heat

  • 4. 
    1.     What is a force?
    • A. 

      An animal

    • B. 

      A push or a pull

    • C. 

      A “Magnetic Field”

    • D. 

      A measuring scale

  • 5. 
    1.     What happens when you put two magnets together end to end?
    • A. 

      North and North attract each other

    • B. 

      North and North push each other away

    • C. 

      North and South push each other away

    • D. 

      South and South attract each other

  • 6. 
    1.     If a paper clip and a piece of wood entered a magnetic field, what would happen?
    • A. 

      The paper clip would stay still, and the wood would be attracted to the magnet

    • B. 

      Both the paper clip and the wood would not move

    • C. 

      The paper clip would be pushed out of the magnetic field

    • D. 

      The paper clip would be attracted to the magnet, but the wood would not

  • 7. 
    1.     Which of the following is an example of Electrostatic Force?
    • A. 

      Holding a charged balloon above your hair, so your hair rises and sticks to the balloon

    • B. 

      Falling downwards during a Bungee Jump

    • C. 

      A blister created by your shoes rubbing against your skin

    • D. 

      A magnet attracting a piece of iron

  • 8. 
    1.     Which of the following is INCORRECT?
    • A. 

      Forces can start objects moving

    • B. 

      Forces can slow objects down

    • C. 

      Forces can cause objects to change direction

    • D. 

      Forces cannot bend or twist things

  • 9. 
    1.     Which of the following is INCORRECT?
    • A. 

      When the forces are balanced, there is no motion

    • B. 

      When forces are unbalanced, there is motion

    • C. 

      When you are sitting in a chair, the forces acting on you are balanced

    • D. 

      When you jump off the ground, the forces acting on you are balanced

  • 10. 
    1.     Forces are measured in Newtons. How many Newtons are required to move a 1 kg bag of sugar?
    • A. 

      100 N

    • B. 

      10 N

    • C. 

      1 N

    • D. 

      0.1 N

  • 11. 
    1.     What are the names of the instruments we use to measure forces?
    • A. 

      Spring balances, Newtonmeters and scales

    • B. 

      Spring balances, rulers and a beaker

    • C. 

      Spring balances, Force detector and scales

    • D. 

      Spring balances, scales and a ruler

  • 12. 
    1.     Which of the following is INCORRECT, in terms of friction?
    • A. 

      Friction is a force that occurs when two surfaces move past each other

    • B. 

      Friction does not oppose motion or movement

    • C. 

      Ice is one of the few almost frictionless surfaces known to man

    • D. 

      Friction keeps knots tied, and nails in place

  • 13. 
    1.     Which of the following is NOT a method of reducing friction?
    • A. 

      Using a lubricant such as oil or grease between the two moving surfaces

    • B. 

      Blowing air between the two surfaces

    • C. 

      Giving the surfaces a streamlined shape

    • D. 

      Covering the surfaces in wax

  • 14. 
    1.     Which of the following experiences the strongest Gravitational (Attractive) Force?
    • A. 

      You and the Earth

    • B. 

      The Moon and the Sun

    • C. 

      The Earth and the Sun

    • D. 

      The Earth and the Moon

  • 15. 
    1.     Which of the following is TRUE?
    • A. 

      People would weigh less on Jupiter than they would on Earth

    • B. 

      People would weigh more on the Moon than they would on Earth

    • C. 

      Both your mass and your weight changes when you go to the Moon

    • D. 

      Only your weight changes when you go to the Moon. Your mass stays the same.

  • 16. 
    1.     Which of the following is INCORRECT?
    • A. 

      Some metals, such as iron, nickel and cobalt are attracted to magnets

    • B. 

      Some metals, such as aluminium and zinc are not attracted to magnets

    • C. 

      Materials that are attracted to magnets are said to be magnetic

    • D. 

      All materials can be turned into magnets

  • 17. 
    1.     Which of the following is TRUE?
    • A. 

      The Earth does not have its own Magnetic Field

    • B. 

      There is a giant magnet inside the Earth

    • C. 

      Compasses rely on the Earth’s magnetic field to work

    • D. 

      When you suspend a magnet by a thread, it lines up North to South

  • 18. 
    1.     Aurora Australis (The Southern Lights) are caused by:
    • A. 

      Chemical toxins in the air

    • B. 

      Charged particles from the Sun, that are attracted to the South Pole

    • C. 

      Fireworks

    • D. 

      The Southern lights do not exist

  • 19. 
    1.     There are two types of electric charges. They are:
    • A. 

      Balanced and Unbalanced charges

    • B. 

      Positive and Negative Charges

    • C. 

      Positive and Neutral Charges

    • D. 

      Balanced and Negative Charges

  • 20. 
    1.     There are laws that tell us how Charged particles behave. Which of the following laws is INCORRECT?
    • A. 

      Charged objects attract other charged objects

    • B. 

      Two positive charges will repel each other

    • C. 

      Two negative charges will repel each other

    • D. 

      Two opposite charges will attract each other

  • 21. 
    1.     Electric charges build up on objects due to the friction between them. The build up of these electric charges is called static electricity. The word “static” means:
    • A. 

      Dangerous

    • B. 

      Stationary

    • C. 

      Moving

    • D. 

      Safe

  • 22. 
    1.     Electrostatic force is similar to Magnetic force. Which of the following do they NOT have in common?
    • A. 

      Both forces have a field – an area in which the force will act on another object

    • B. 

      Both forces are non-contact

    • C. 

      Both forces are created by charged particles

    • D. 

      Both forces can exert a push or a pull

  • 23. 
    1.     When electric current flows through a wire, it produces a magnetic field. What is this effect called?
    • A. 

      Electitis

    • B. 

      Electromagenta

    • C. 

      Solenoid

    • D. 

      Electromagnetism

  • 24. 
    1.     The magnetic field of a wire can be made stronger if the wire is wound in a coil, and a bar of iron is placed inside the coil. What name do we give this tightly coiled wire that produces a magnetic field?
    • A. 

      Solenoid

    • B. 

      Maglev

    • C. 

      Newtonmeter

    • D. 

      Van de Graaf Generator

  • 25. 
    1.     Forces can:
    • A. 

      Start and stop motion

    • B. 

      Change the direction of motion

    • C. 

      Speed up or slow down motion

    • D. 

      All of the above