Q.1.
Mrs. Craft made cupcakes with pink icing. When she baked the cupcakes, was the change reversible or irreversible?
Q.2.
Ms. Farrar dumps baking soda in vinegar and it creates a lot of bubbles. Is this change reversible or irreversible?
Q.3.
Ms. Baldwin stirs sugar into water. It dissolves. Is this change reversible or 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?
Q.5.
When talking about fire extinguishers, the acronym PASS means...
Q.6.
Tick the three main things you need to start a fire.
Q.7.
Rusting is an irreversible change.