Look at each answer choice. Decide whether it is an example of a chemical or physical change. THREE answer choices are examples of chemical changes. THREE answer choices are examples of physical changes.

Chemical Change Physical Change

responses
after pouring baking soda into vinegar, it begins to fizz
putting two cubes of ice into a soda
an iron nail slowly rusts and turns reddish-brown
painting the walls of a dollhouse red
lighting a match
breaking a matchstick

1 answer

Here’s the classification of each response as either a chemical change or a physical change:

Chemical Change:

  1. After pouring baking soda into vinegar, it begins to fizz.
  2. An iron nail slowly rusts and turns reddish-brown.
  3. Lighting a match.

Physical Change:

  1. Putting two cubes of ice into a soda.
  2. Painting the walls of a dollhouse red.
  3. Breaking a matchstick.

Summary:

  • Chemical Changes: Fizzing reaction of baking soda and vinegar, rusting of iron, lighting a match.
  • Physical Changes: Adding ice to soda, painting, breaking a matchstick.
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