S3w4 Tuesday Bellringer
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Last updated 3 months ago
12 questions

1
Chemical Changes involve:
Chemical Changes involve:
1
Physical changes involve:
Physical changes involve:
1
Is dissolving a physical or chemical change?
Is dissolving a physical or chemical change?
1
are reactions a chemical or physical change?
are reactions a chemical or physical change?
1
Is slicing something in half a physical or chemical change?
Is slicing something in half a physical or chemical change?
1
Water in liquid heated to form water in steam form - is that a physical or chemical change?
Water in liquid heated to form water in steam form - is that a physical or chemical change?
1
When a chemical breaks into two new chemicals is that a Physical or Chemical change?
When a chemical breaks into two new chemicals is that a Physical or Chemical change?
1
4 Fe + 3 O2 ----> 2 Fe2O3
4 Fe + 3 O2 ----> 2 Fe2O3
1
Solid water turning into liquid water
Solid water turning into liquid water
1
HCl + CaCO3 -----> HCO3 +CaCl (acid/liq.) + (base) (gas) (salt/solid)
HCl + CaCO3 -----> HCO3 +CaCl (acid/liq.) + (base) (gas) (salt/solid)
1
Milk souring is
Milk souring is
1
is digestion by a fungus a chemical or physical change?
is digestion by a fungus a chemical or physical change?