00085 Predict Observe Explain

Predict, Observe, Explain: A Teaching Strategy

Overview of the Predict, Observe, Explain Strategy

• The experiment introduces the "Predict, Observe, Explain" teaching strategy designed to enhance student understanding through three tasks: predicting outcomes, observing experiments, and explaining results.

• Students are tasked with predicting what will happen when a tea bag is lit on fire. They must choose from three options regarding the expected outcome.

Experiment Setup and Execution

• The three prediction options provided to students include:

• The tea bag burns with a green flame.

• The tea bag does not start burning.

• The tea bag rises into the air and starts flying.

• During the observation phase, students witness a demonstration where a tea bag is prepared by removing its contents to form a cylinder before being lit on fire.

Observations and Explanations

• As the experiment progresses, students observe that once ignited, the tea bag lifts off due to heated air inside expanding and becoming less dense.

• After observing the results, students compare their predictions with actual observations. If discrepancies arise between their expectations and reality, they are encouraged to explore further explanations for these inconsistencies.