
Understanding Physical and Chemical Changes
Interactive Video
•
Chemistry
•
6th - 8th Grade
•
Easy
Evelyn Hayes
Used 15+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of a physical change?
Change in state without altering identity
Production of gas
Change in color
Formation of a new substance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a chemical change?
Breaking glass
Burning wood
Melting ice
Dissolving sugar in water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when hydrogen gas reacts with oxygen gas?
They form hydrogen peroxide
They remain unchanged
They form a mixture
They form water, a new substance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property can only be observed by changing the substance's identity?
Color
Flammability
Melting point
Density
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a sign that a chemical change has occurred?
The substance dissolves
A new color appears
The substance is heated
The substance is mixed
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a sign of a chemical change?
Change in odor
Formation of a precipitate
Change in temperature
Change in shape
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the only way to be sure a chemical change has occurred?
Observing a color change
Testing for a new substance
Noticing a temperature change
Smelling a new odor
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