Grade 6 & 7 Elijah Smith School

  • Home
  • First Nation Ways of Knowing and Doing
  • Outdoor Pursuits
    • Enjoying the Winter
    • Biking and Berries
  • Art
    • Kandinsky's Circles
    • Landscapes
    • Woodlands Art
    • Perspective Made Easy
  • Elijah Smith
  • Orange Sirt Day
  • Haunted Forest
  • Science
  • Deck the Halls
  • Traditional Foods
    • Bison Stir Fry
    • Bannock
    • Fish Tacos
    • Bison Spaghetti Sauce
  • Home
  • First Nation Ways of Knowing and Doing
  • Outdoor Pursuits
    • Enjoying the Winter
    • Biking and Berries
  • Art
    • Kandinsky's Circles
    • Landscapes
    • Woodlands Art
    • Perspective Made Easy
  • Elijah Smith
  • Orange Sirt Day
  • Haunted Forest
  • Science
  • Deck the Halls
  • Traditional Foods
    • Bison Stir Fry
    • Bannock
    • Fish Tacos
    • Bison Spaghetti Sauce

            Chemical or Physical Reaction

Picture

We know a physical reaction took place if...
- no new substance is produced
​- the change can be reversed

Water freezing into ice is an example of a physical reaction.

Picture
We know a chemical reaction took place if...
- heat is produced
- a new substance is produced with a new chemical formula
- a odour is produced
- the change is permanent

​Mixing yeast with hydrogen peroxide creates heat, visible reaction, an odour, and a new gas (CO2)

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