Question

unit 2 matter test* - wbms 2025 - 2026
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subr
place the states of matter in order according to the energy arrows.
adding energy
subtracting energy

Explanation:

When energy is added to a substance, it undergoes phase changes. Starting from the solid state (most ordered, least energy), adding energy turns it into a liquid (more disordered, more energy), then into a gas (even more disordered, more energy). When energy is subtracted (reverse process), gas becomes liquid, then solid.

Answer:

Solid → Liquid → Gas (when adding energy); Gas → Liquid → Solid (when subtracting energy)