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WorksheetsPHYSICAL AND CHEMICAL CHANGES
Total questions: 20
Worksheet time: 10mins
When sugar dissolves in water a ______________ change occurs.
Physical change
Chemical Change
Which of the following is evidence of a physical change?
New substance
Shape Change
Light produced
Gas released.
A teacher is demonstrating physical and chemical changes to her class. Which action should they use to demonstrate a chemical change?
Cutting a piece of paper with scissors.
Folding a piece of paper into an airplane.
Ripping a piece of paper with their hands.
Burning a piece of paper with a match.
Why does the image best represent an example of a physical change?
The pencil can no longer be used.
The pencil is a different size.
The materials making up the pencil did not change.
The materials making up the pencil are different.
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.
Think this through: Can the same substance undergo both a physical and a chemical change at the same time.
Yes
No
Change in color is a physical change.
True
False
When you break a cracker into pieces it is a...
Chemical change
Physical change
