9 Seven Wonders Of The World

15 Questions | Total Attempts: 38

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9 Seven Wonders Of The World

Year 9 Quiz on Seven Wonders, Simple Machines, Electricity and Ecosystems.


Questions and Answers
  • 1. 
    Which of the Ancient Seven Wonders of the World is still in existence?
    • A. 

      Hanging Gardens of Babylon

    • B. 

      Lighthouse of Alexandria

    • C. 

      Colossus of Rhodes

    • D. 

      Pyramid of Giza

  • 2. 
    Name the simple machine that has a fulcrum.
    • A. 

      Lever

    • B. 

      Pulley

    • C. 

      Inclined Plane

    • D. 

      Wheel and axel

  • 3. 
    When sitting on a seesaw, a heavier person needs to sit _______________  the fulcrum than the lighter person to balance the seesaw.
    • A. 

      Closer to

    • B. 

      Further from

    • C. 

      Equally as far from

    • D. 

      More info needed to answer this question

  • 4. 
    Which correctly describes the relationship between the number of pulleys in a system and the effort required to lift the load?
    • A. 

      The more pulleys, the more effort force required.

    • B. 

      The more pulleys, the less effort force required.

    • C. 

      The more pulleys, the longer you have to pull the load.

    • D. 

      The more pulleys, the less you have to pull the load.

  • 5. 
    In using an inclined plane, the trade off in this machine is:
    • A. 

      The less effort force required the further you have to push/pull the load.

    • B. 

      The more effort force required the further you have to push/pull the load.

    • C. 

      The less effort force required the shorter you have to push/pull the load.

    • D. 

      More information is needed to answer this question.

  • 6. 
    The main purpose of the Hoover Dam was to
    • A. 

      Provide a water source for residents.

    • B. 

      Change the flow of the Colorado river.

    • C. 

      Generate electricity.

    • D. 

      Create jobs in the area.

  • 7. 
    In a power station, coal is used to heat up water so that what can spin?
    • A. 

      The water pipes

    • B. 

      The turbines

    • C. 

      the generator

    • D. 

      The tap

  • 8. 
    The three essential components of an electric circuit are:
    • A. 

      Battery, wire and globe

    • B. 

      Battery, wire and resistor

    • C. 

      Power supply, globe and resistor

    • D. 

      Load, conducting path and power supply

  • 9. 
    The potential energy of a circuit can also be described as
    • A. 

      The voltage

    • B. 

      The current

    • C. 

      The resistance

    • D. 

      The flow of electrons

  • 10. 
    The current in an electric circuit is measured by 
    • A. 

      A voltmeter

    • B. 

      An ammeter

    • C. 

      A power pack

    • D. 

      A resistor

  • 11. 
    A food chain is more complex than a food web.
    • A. 

      True

    • B. 

      False

  • 12. 
    Decomposers wait for a plant or animal to die before consuming.
    • A. 

      True

    • B. 

      False

  • 13. 
    Heat is the main loss of energy from one trophic level to the next.
    • A. 

      True

    • B. 

      False

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