●1. Which of the following DOES NOT describe a convection process? A. the handle of a metal pot is hot while cooking B. boiling of macaroni pasta C. a sea breeze D. ocean water in the surface is warmer
●2. What is the source of heat generated by the core to the mantle? A. gases B. decayed radioactive elements C. molten rocks D. molten metals
●3. Which of the following has a faster movement of molecules? A. hot materials B. warm materials C. cold materials D. room temperature materials
●4. Which of the following has a lesser density in a convection cell? A. warm fluid materials C. room temperature fluid materials B. cold fluid materials D. hot fluid materials
●5. In a convection current, hot materials move __________ A. any direction B. sideward C. upward D. downward
●6. The uplifting and tearing apart of lithosphere occurs at A. convergent boundary B. divergent boundary C. transform fault boundary D. mantle