Physical and chemical changes

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A test about physical and chemical changes of matter.

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biología

science

Edad recomendada: 9 años

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Eduardo López

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Physical and chemical changesVersión en línea A test about physical and chemical changes of matter. por Eduardo López 1 In physical changes... a matter changes its form, but not its composition. b there are new molecules. c Matter changes its composition, but not its form. 2 In chemical changes... a matter doesn't change. b matter changes its composition, there are new molecules. c matter gets very hot. 3 Click on 3 types of chemical changes Escoge una o varias respuestas a Combustion b solidification c fermentation d oxidation 4 What type of change is this? a Chemical: oxidation. b Physical. c Chemical: fermentation. 5 Can you click on an example of combustion? a Bread growing. b Matches burning. c Oxidized apple. 6 Can you click on an example of oxidation? a A rusty bike. b A house on fire. c Mold on cheese. 7 Can you click on an example of fermentation? a water vapour b Rusty metal. c Olives in salt. 8 Which is NOT a chemical change? a Photosynthesis. b Food digestion. c Ice changing into liquid water