Chemistry, 07.12.2019 10:31, 1Slowbow

Which scenarios are examples of physical changes? check all that apply.

wood is burned in a campfire and is turned into ash and smoke.
silicon is cut into tiny pieces for computer chips.
lead is melted to form pellets.
liquid water freezes to form ice.
yeast turns sugar into energy, water, and carbon dioxide gas.

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Which scenarios are examples of physical changes? check all that apply.

wood is burned...