7 physical and chemical changes 17
Crushing an empty milk carton.
p
Boiling pasta to make it soft.
p
Dissolving sugar in your coffee.
p
Shaking up a bottle of Italian dressing.
p
Thawing raw meat.
p
Chopping a vegetable into pieces.
p
Melting candy.
p
Crushing a can.
p
Melting an ice cube.
p
Boiling water.
p
Mixing sand and water.
p
Breaking a glass.
p
Dissolving sugar and water.
p
Shredding paper.
p
Chopping wood.
p
burning of paper.
c
cooking of food.
c
burning of wood.
c
ripening of fruits.
c
rotting of fruits.
c
frying egg.
c
rusting of iron.
c
mixing acid and base.
c
Burning of paper and log of wood.
c
Digestion of food.
c
Boiling an egg.
c
Chemical battery usage.
c
Electroplating a metal.
c
Baking a cake.
c
Milk going sour.
c
Various metabolic reactions that take place in the cells.
c