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20 questions
Students observed a piece of iron change from shiny to rusty. What caused this change?
a chemical reaction
a heat reaction
a cold reaction
a physical reaction
Which is the best example of a new substance forming?
lighting a match
cutting a piece of paper
popping a balloon
hitting a nail with a hammer
Bending metal
Physical Change
Chemical Change
Boiling Water
Physical Change
Chemical Change
A Candle Burning
Physical Change
Chemical Change
Cutting a tree limb into logs is (a)____________ and burning them in the fireplace is (b)____________.
(a) A Physical Change
(b) Also a Physical Change
(a) A Physical Change
(b) A Chemical Change
(a) A Chemical Change
(b) Also a Chemical Change
(a) A Chemical Change
(b) A Physical Change
When two liquids are mixed and a solid is formed, the new solid is called a ________________.
Levitate
Precipitate
Palpitate
Bad date
Which of the following is a chemical change?
Mixing two clear liquids and forming a blue liquid
Mixing a clear liquid and white solid and getting a clear liquid
Mixing a clear liquid and a dark purple solid and getting a light purple liquid
Mixing a clear liquid with a white solid and getting a cloudy white liquid
This is a __________ change.
Physical
Metaphysical
Chemical
Logical
This is a _________ change.
Magical
Chemical
Physical
Seussical
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