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Exam (elaborations)
Convection Cells biology questions with answers 2021-2022
Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 
You place a pot of soup on the stove. As the soup warms you notice some areas where soup is 
rising up and other areas where soup is sinking down. 
1. Why do you think some of the soup is rising up? 
Because the soup became warm and less dense, so it 
rose up. 
2. Why do you think some of the soup is sinking down? 
Because it is colder and denser than the other parts of 
the soup. 
Gizmo Warm-up 
When fluids (gases or liquids) are hea...
Exam (elaborations)
Convection Cells biology questions with answers 2021-2022
PopularPrior Knowledge Questions (Do these BEFORE using the Gizmo.) 
You place a pot of soup on the stove. As the soup warms you notice some areas where soup is 
rising up and other areas where soup is sinking down. 
1. Why do you think some of the soup is rising up? 
Because the soup became warm and less dense, so it 
rose up. 
2. Why do you think some of the soup is sinking down? 
Because it is colder and denser than the other parts of 
the soup. 
Gizmo Warm-up 
When fluids (gases or liquids) are hea...