Unit 2 - Chemical Reactions Review
Chemistry
5th - 6th Grade
NGSS covered
Used 154+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During a lab, students dissolve a marshmallow in boiling water, they burn a different marshmallow with fire, the chew and swallow one and they pull one apart. Which of these changes is a chemical change?
Boiling because it dissolved completely
Burning, because we saw a change in color
Chewing, because it broke down
Pulling, because it became smaller
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A solid dissolving completely in a liquid substance is a good sign of a chemical change.
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is not evidence that a new substance was formed?
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following shows evidence that a new substance was created?
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A temperature change is only evidence of a chemical change if the substance becomes warmer.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is not evidence of a chemical change?
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is not evidence that a new substance has been created?
Tags
NGSS.MS-PS1-2
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