1. How is heat transferred in solid materials?
A. through convection C. through conduction
B. through radiation D. through vacuum 2. What may happen to a solid when it is continuously exposed to heat?
A. it may become heavier C. it may expand
B. it may decrease in volume D. it may melt 3. When heat is transferred through solid materials, it is called _____.
A. conduction B. convection C. radiation D. reflection