What does the candle weigh? 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about what happens to the wax of a candle when it is burning. Question a) A burning candle is put on a set of electronic scales. After 30 minutes, the reading on the scales will be ... less more the same more or less depending on whether the candle has melted completely Explain why Task administration: This task can be completed with pencil and paper. Copyright: Image: Pixabay, Public domain Level: 5 Curriculum info: Science, Knowledge, Material World Keywords: changes, particle nature of matter, burning Description of task: Students answer one multiple-choice question about how the mass of a burning object changes. Answers/responses: Y10 (05/1999) a) A - less Explanation: because some of the wax has changed from a solid to a gas and evaporated into the air. moderate Diagnostic and formative information: a) 44% of students chose option C (the same). Melting and dissolving
