Heat applied to water produces water vapor.

Decomposition of ozone into atmospheric oxygen

Shorter days reduces photosynthesis producing reds, oranges, and yellows on trees.

Fermentation causes milk to become chunky and smell.

Heat produces carbon dioxide that causes bread to rise.

Bread is cut into smaller pieces with a knife.

Sodium chloride is decomposed by heating.

Sucrose is mixed in water to produce a solution.

Applying pressure to make pieces of wood

Chemicals break down food into energy.

Phase change from liquid to gas