Don't blow out the candles

Don't blow out the candles
Type of Resource: Video/animation

This surfing scientist video (3 minutes 40 seconds) examines the chemical reaction between bicarb soda (sodium bicarbonate) and vinegar (acetic acid), producing invisible carbon dioxide that can be used to blow out candles on a birthday cake. A great way to create new interest in a well-known reaction. This video also challenges the misconception that all gases are dangerous, or that they all rise up in the air.

Australian Curriculum:
  • Year 8 > Science Understanding > Chemical Sciences > Chemical change involves substances reacting to form new substances > ACSSU225
  • Year 8 > Science Understanding > Chemical Sciences > The properties of the different states of matter can be explained in terms of... > ACSSU151