PHYSICAL AND CHEMICAL CHANGE
Authored by Lovely Dela Cruz
Science
7th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ice turns into water, but it's still H₂O.
PHYSICAL CHANGE
CHEMICAL CHANGE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mixing sand and salt – No new substance is formed; they can be separated.
PHYSICAL CHANGE
CHEMICAL CHANGE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iron reacts with oxygen and water to form iron oxide (rust).
PHYSICAL CHANGE
CHEMICAL CHANGE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wood combusts to form ash, carbon dioxide, and water vapor.
PHYSICAL CHANGE
CHEMICAL CHANGE
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liquid turns into vapor without changing its composition.
PHYSICAL CHANGE
CHEMICAL CHANGE
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bacteria ferment lactose into lactic acid.
PHYSICAL CHANGE
CHEMICAL CHANGE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crushing a can – Change in shape, but no new substance.
PHYSICAL CHANGE
CHEMICAL CHANGE
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