3B 19 CHM poster

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Storyboard Description

oxygen iron

Storyboard Text

  • I put the glowing splint inside the text tube of oxygen
  • then the glowing split relighted,so i know the oxygen can help burning
  • then the glowing split relighted,so i know the oxygen can help burning
  • Then i use it to heat one side of the iron and use the thermometer to see the temperature of two side.
  • After 5 min, two side of the iron have almost same temperature,so i know iron is a good thermal conductor
  • Then i put the split nearby the test tube of hydrogen.
  • then the glowing split relighted,so i know the oxygen can help burning
  • finally the hydrogen are burn and I know it is a highly flammable substances
  • then the glowing split relighted,so i know the oxygen can help burning
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