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Week 5 - What have we learned so far?

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  • Quantitative or Qualitative - My best friend drives a red car
    Qualitative
  • What is this piece of equipment called and what do we use it for?
  • What is a QUALITATIVE observation?
    Observations using your senses, describe the nature of an object - use words
  • What is a method?
    A set of instructions to follow in an experiment
  • What is an independent variable?
    The variable that is changed
  • What is a dependent variable?
    The variable that is measured
  • What is an observation?
    A note, observed change or something perceived by an observer using one or more senses (sight, hearing, touch, etc)
  • Why is it important to angle a test tube away from you and others when it is being heated?
    So it doesn't splash chemicals or heated liquid towards you/others
  • What is a hypothesis?
    An educated guess
  • Fill in the blanks - Never ________ or _________chemical
    Taste, sniff
  • Fill in the blank - You must follow the _________ given to you by the teacher
    Instructions
  • What is a control variable?
    The variables that are kept constant
  • How does temperature affect the rate at which a Berocca tablet dissolves?
    The warmer the water, the faster it dissolves
  • Tell me 2 laboratory safety rules
    https://docs.google.com/document/d/1fqNp7Gk9hBY6wnDWo8YLOLnRH0K79CSHFjdluuUtdGY/edit?usp=drive_link
  • What measurement does this set of scales show?
    54
  • What does this symbol represent?
    Corrosive
  • What is a meniscus?
    The bottom of a curve of liquid where you read the measurement from
  • What is this piece of equipment and what do you use them for?
    Scissor tongs - Used to hold various things in the Bunsen flame
  • What does this Hazard symbol mean?
    Toxic
  • Quantitative or Qualitative -I go swimming 4 times a week
    Quantitative
  • What does PPE stand for?
    Personal Protective Equipment
  • What colour is the "safety" flame when using a bunsen burner?
    Yellow
  • How many degrees celcius is this thermometer showing?
    38 Degrees Celsius
  • Why are hazard symbols important?
    Because they alert you to risks of the substance
  • What are the axis called on a line graph? Hint: 2 letters of the alphabet
    X and Y
  • What are your 5 senses?
    Sight, smell, taste, hearing, touch
  • how much liquid is in this measuring cylinder?
    24
  • When you have a blue flame when using your bunsen burner - is the air hole open or closed?
    Open
  • What is a QUANTITATIVE observation?
    Observation by measuring an object - using numbers
  • What is the first thing you do when setting up to light a bunsen burner?
    Close the air hole
  • What is this piece of equipment called?
    Funnel