What causes causes thermal expansion?
molecules moving kinetic energy Electrical energy Evaporation molecules stopping sunlight molecules slowing down molecules standing still
A B C D E F G H
Heat is caused by molecules moving.
molecules moving causes thermal expansion
What causes causes thermal expansion? (A) molecules moving (B) kinetic energy (C) Electrical energy (D) Evaporation (E) molecules stopping (F) sunlight (G) molecules slowing down (H) molecules standing still