Candle in a jar 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Further Resources This task is about observation and burning. Question 1Change answer a) i) Hemi looked at the burning candle and said, "This candle is in a draught." Write one observation you could make to support his statement. a) i) Hemi looked at the burning candle and said, "This candle is in a draught." Write one observation you could make to support his statement. ii) What is another observation you could make about this burning candle? Question 1Change answer b) i) Hemi put an air-tight container (as shown above) over the candle what would most likely happen? b) i) Hemi put an air-tight container (as shown above) over the candle what would most likely happen? ii) Why would this happen? Task administration: This task can be completed with pencil and paper or online. Copyright: Graphic: NZCER Level: 4 Curriculum info: Science, Investigating in science, Material World Keywords: physics concepts, combustion, burning Description of task: Students answer short questions to demonstrate their understanding that candles need oxygen to burn. Curriculum Links: Science capabilities The capabilities focus is brought about by the conversations you have and the questions you ask. Capability: Gather and interpret data This resource provides opportunities to discuss how close observations support inferences and develop science understandings. Science capability: Gather and interpret data (TKI) Science capabilities: Gather and interpret data Answers/responses: Y8 (05/2000) a) i) Any 1 of: Smoke is not rising straight up from the candle. The flame is leaning over. moderate ii) Any 1 of: There is smoke coming from the candle. The candle flame is burning. Wax is dripping from the candle. Any other acceptable observation. difficult b) i) ii) The candle will go out. Candles need oxygen to burn. Candles need air to burn/candles need oxygen. easy very difficult moderate Burning candles The science of burning
