Exploring Physical and Chemical Changes in a Virtual Lab
Interactive Video
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Ethan Morris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the wax when it is heated over a Bunsen burner?
It sublimates
It melts
It changes color
It turns into a gas
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the transformation of the candle wax a physical or chemical change?
Both
Chemical change
Physical change
Neither
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of change occurs when paper is burned?
No change
State change
Chemical change
Physical change
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when sodium chloride is shaken in water?
It precipitates
It dissolves
It sublimates
It changes color
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when silver nitrate is added to the dissolved sodium chloride?
No reaction
Color change to blue
A precipitate forms
A gas is released
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when magnesium ribbon reacts with hydrochloric acid?
It explodes
Turns black
It dissolves
Bubbling and heat
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color change occurs when copper sulfate is heated?
No color change
From gray to blue
From white to blue
From blue to gray
Tags
NGSS.MS-PS1-2
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