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Entropy increases as the solid phase (ice) turns into a liquid phase (water) because the molecules move more freely in the liquid phase.

Entropy increases because the solid sugar crystals become dispersed in the water, increasing the disorder of the system.

Entropy increases as the gases spread out to fill the entire container, increasing the randomness and disorder of the system.

Entropy increases when water evaporates because the gas phase has higher disorder, with water molecules moving freely and occupying more space.

Entropy decreases as the gas molecules are forced closer together, reducing the disorder of the system.

Entropy decreases because the gas condenses into a liquid, reducing the volume and the molecular freedom, thus decreasing disorder.

Entropy increases as the heat causes the molecules in the solid to vibrate more, slightly increasing the disorder within the crystal lattice.

Entropy generally decreases locally as plants convert disordered molecules (CO$_2$ and H$_2$O) into more ordered glucose molecules, but the overall entropy of the universe increases due to energy input from the sun.

Entropy increases as the structured iron atoms react with oxygen and become iron oxide (rust), a more disordered state.

Entropy decreases as water vapor condenses into a highly ordered structure of a snowflake, resulting from hydrogen bonding between water molecules.

Entropy increases as the perfume molecules spread out from a concentrated area to fill the entire room, leading to a more disordered state.