Question

State two types of physical changes that may take place when a substance is
heated.
ter differ from an ordinary thermometer?​

Answer 1

Answer:

paper to ash

raw food to cooked food

Answer 2

Answer:

it's internal energy increases

Explanation:

1)the movement of it's particles increases.

2)bonds between particles break when a substance melts or evaporates,or sublimes to from a gas from a solid.