A prompt for an investigation
After students answer the question, what can be done to get the ball to float lower? Students can be asked to devise a method to gather evidence to show that their answer is correct or not.... See More
After students answer the question, what can be done to get the ball to float lower? Students can be asked to devise a method to gather evidence to show that their answer is correct or not. As always, simple questions that can produce important insights into what students are thinking.
Background information, altermantive conception information, and teaching implications are also provided with the probe.