Chemical and Physical Changes
7th Grade
•50 Qs
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Chemical and Physical Changes
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
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50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following examples represents a physical change?
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When sugar dissolves in water a ______________ change occurs.
Physical change
Chemical Change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hydrochloric acid reacts with potassium hydroxide to produce a salt, water,and heat.
Chemical Change
Physical Change
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is evidence of a physical change?
New substance
Shape Change
Light produced
Gas released.
Tags
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A physical change is
a change where the characteristics do not change the substance
a change where the characteristics do change the substance
a change where the chemistry changes
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change.
Chemical then Physical
Physical then Chemical
Both Physical
Both Chemical
Tags
NGSS.MS-LS1-7
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the definition of chemical change?
any change that results in the formation of one (or more) new chemical substance(s).
changing of only the appearance of the object
matter cannot be created or destroyed, only change form
changes affecting the form of a chemical substance, but not its chemical composition.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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