Unit 7- Matter and its Changes
Quiz
•
Science
•
8th Grade
•
Medium
+4
Standards-aligned
Cereese Stewart
Used 6+ times
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43 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Physical properties....
change the matter when studied
can be observed and measured without changing the matter being studied
include the ability to burn and rust
are useless unless studied in a lab
Answer explanation
The correct choice states that physical properties can be observed and measured without changing the matter. This is fundamental to understanding physical properties, as they do not alter the substance being studied.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
______________________ can only be recognized when substances react or do not react chemically with one another.
Physical properties
Chemical properties
Flammable properties
Colorful properties
Answer explanation
Chemical properties can only be observed when substances react or do not react chemically. This distinguishes them from physical properties, which can be observed without any chemical change.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Flammability means the ability to _______ and is a _________ property.
melt; chemical
rust; physical
change; physical
burn; chemical
Answer explanation
Flammability refers to the ability to burn, indicating how a substance reacts with fire. It is classified as a chemical property because it involves a change in the substance's chemical structure during combustion.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is not a chemical property?
rusting
boiling
rotting
burning
Answer explanation
Boiling is a physical change, not a chemical property. It involves a change in state from liquid to gas without altering the substance's chemical composition, unlike rusting, rotting, and burning, which involve chemical changes.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which is an example of a physical property?
ability to react with acid
state of matter
flammability
ability to react with oxygen
Answer explanation
The state of matter is a physical property, describing the form of a substance (solid, liquid, gas). In contrast, the other options involve chemical properties, which relate to how a substance interacts with other substances.
Tags
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
All of the following are examples of physical properties EXCEPT
Density
Heat conductivity
pH (acidic or basic)
Boiling point
Answer explanation
pH (acidic or basic) is a chemical property, not a physical one. Density, heat conductivity, and boiling point are all physical properties that describe the state and behavior of a substance.
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the outcome of observing a chemical property?
Nothing
A new substance is formed with different properties
NaCl
A rise in thermal conductivity
Answer explanation
Observing a chemical property often leads to a chemical reaction, resulting in a new substance with different properties. This distinguishes it from physical properties, where the substance remains the same.
Tags
NGSS.MS-PS1-2
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