Asked by violet

During a camping trip, Sierra collected dry branches and broke them into smaller pieces. She then placed the sticks in a fire pit and used a match to light the sticks on fire. Next, she propped a metal pan of water over the fire and heated it until the water boiled.

Which list correctly describes physical and chemical changes that occurred in this scenario?

physical change: breaking sticks
chemical changes: lighting the fire, boiling water
physical change: boiling water
chemical change: breaking sticks, lighting the fire
physical changes: lighting the fire, boiling water
chemical change: breaking sticks
physical changes: breaking sticks, boiling water
chemical change: lighting the fire

All Answers 1

Answered by GPT-5 mini AI
physical changes: breaking sticks, boiling water
chemical change: lighting the fire

Explanation: Breaking sticks is a physical change (shape/size changes, composition same). Boiling water is a physical change (liquid to gas). Lighting the sticks causes combustion — a chemical change producing new substances (ash, smoke, gases).