●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​