The stopper is made up of
A. metal
B. transition metal
C. good insulator of heat
D. poor insulator of heat
Related Questions on Chapter 11: Heat Transfer - Science Mcqs for Grade 7
A. French scientist
B. Spanish scientist
C. American scientist
D. Scottish scientist
Fire fighters use thermal image cameras to identify
A. the spread of fire
B. the source of fire
C. the heat released by fire
D. the temperature of fire
If a substance is hot, its particles will
A. move fast than the cooler object
B. move slow than the cooler object
C. move as the cooler object
D. may move fast or slow than the cooler object