Q.1
Mrs. Craft made cupcakes with pink icing. When she baked the cupcakes, was the change reversible or irreversible?
  • reversible
  • irreversible
Q.2
Ms. Farrar dumps baking soda in vinegar and it creates a lot of bubbles. Is this change reversible or irreversible?
  • reversible
  • irreversible
Q.3
Ms. Baldwin stirs sugar into water. It dissolves. Is this change reversible or irreversible?
  • reversible
  • irreversible
Q.4
Ms. Brouse and Ms. Shearer leave their milk cartons outside in winter. The milk freezes solid! Is this change reversible or irreversible?
  • reversible
  • irreversible
Q.5
When talking about fire extinguishers, the acronym PASS means...
  • Pass - Aim - Sweep - See
  • Push - Aid - Spray - See
  • Pull - Aim - Spray - Sweep
Q.6
Tick the three main things you need to start a fire.
  • Ignition.
  • A fuel.
  • Oxygen.
  • All of above
Q.7
Rusting is an irreversible change.
  • TRUE
  • FALSE
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