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Which of these are physical changes in matter? Check all that apply.

boiling water
a pencil being sharpened
exploding dynamite
freezing water
rotting cheese

Sagot :

Answer:

The physical changes in matter from the given options are: Boiling water, Freezing water, Rotting cheese. When water is boiled, it undergoes a physical change and turns from a liquid into a gas due to the increase in molecular motion and the increase in temperature without changing its chemical composition. Similarly, when water is frozen, it changes from a liquid to a solid state without changing its chemical composition. Rotting cheese is also a physical change, as it breaks down and decomposes over time due to microbiological activity.

Explanation: