Chemistry, 06.12.2021 01:00 tddreviews
Two boys were making paper airplanes. The table documents what happened in each part of their afternoon. What parts of their afternoon would they have seen a physical change happen?
Part Observations
I The two boys want to make a paper airplane. They fold the paper into an airplane and start playing.
II One boy tries to catch the airplane but knocks over a plant in a pot. The pot breaks into pieces.
III The boys throw the paper airplane into the barbecue pit where Jack's dad was grilling food. The paper airplane burns.
IV The mother, in disappointment, throws out her favorite plant, and then it rots.
A. Parts I and II
B. Parts I and III
C. Parts I and IV
D. Parts II and III
Answers: 1
Chemistry, 22.06.2019 12:30, americanbellabeauty
Acontrol during an experiment. might change remains constant does not exist does change
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Chemistry, 23.06.2019 04:30, Har13526574
Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
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