Starter quiz

  • Which picture shows a bar chart?
  • In an experiment, anything that could change (vary) between tests is called a ...
    • 'variable' ✓
  • Which option correctly describes what an experiment conclusion should contain?
    • A conclusion should contain the practical steps needed to do an experiment.
    • A conclusion should contain all the data collected in an experiment.
    • A conclusion should contain what you found out and explain how you know..  ✓
  • Which kind of force does a lubricant reduce?
    • gravitational forces
    • drag forces
    • friction forces  ✓
    • magnetic forces
  • Which one of these variables comes in different categories?
    • length of fish
    • mass of fish
    • type of fish (species)  ✓
    • number of fish (population size)
  • Identify the possible benefits of lubricating moving parts of a system, to reduce the friction.
    • Lubricated moving parts would be smoother and quieter.  ✓
    • Lubricated moving parts would be greasy to touch.
    • Lubricated moving parts would wear down less over time.  ✓
    • Lubricated moving parts would need less force to keep moving.  ✓
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