Transcription of Fizzy bubbly science - ABC
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Fizzy bubbly science - ABC
Fizzy bubbly science Brief description Students observe the chemical reaction between vinegar (an acid ) and sodium bicarbonate (a base). In small groups, they observe how bubbles of carbon dioxide gas produced by this reaction cause popcorn kernels to float and sink in water. They blow soap bubbles, which float on an invisible layer of carbon dioxide inside a soft drink bottle. As an optional extension activity, they can make Fizzy edible sherbet. Duration: 60 80 minutes Year Level: Lower to upper primary Topics: Chemical reactions, Acids and Bases, Liquids & Gases, Floating &. sinking, Buoyancy, Density Preparation: 15 minutes Extensions: science Make sherbet (included in student worksheet). science Research carbon dioxide (eg composition of the Earth's atmosphere, sources of CO2, pollution, greenhouse effect).
Lesson 4 – Fizzy Bubbly Science Page 4 abc.net.au/science © Ruben Meerman 2004 Objectives continued … Science concepts y vinegar is a type of acid y sodium ...
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