

Exploring Physical and Chemical Changes in the Lab
Interactive Video
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Sophia Harris
Used 1+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of change occurs when toothpicks are broken?
No change
Biological change
Chemical change
Physical change
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a Bunsen burner in the experiment with toothpicks?
To cool the toothpicks
To dissolve the toothpicks
To observe combustion
To weigh the toothpicks
Tags
NGSS.MS-PS3-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the appearance of smoke indicate when heating toothpicks?
Physical change
Chemical change
No change
All changes
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding water to sodium chloride in the lab?
Formation of a solid
Dissolution into ions
Temperature increase
Color change
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when silver nitrate is added to the sodium chloride solution?
Color change
Gas release
Temperature drop
Precipitate formation
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates a chemical change in the experiment with copper chloride and aluminum?
Dissolution of aluminum
Formation of bubbles
Precipitate formation
Change in color
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when copper sulfate pentahydrate is heated?
It turns white
It remains unchanged
It dissolves
It explodes
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
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