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Worksheetschemical and phisical changes
Total questions: 23
Worksheet time: 33mins
Is melting cheese a chemical or phisical change
Chemical
Phisical
Neither
Both
I mixed sand and iron filings together. I created a mixture, which is a physical change. What is the best way for me to separate the sand from the iron filings?
pour water over it
freeze the mixture
pour the mixture through a mesh screen
pull a magnet through the mixture
What is true of the solid in this picture?
the water becomes a solid when the temperature is below 0° C
The solid will boil at 0 degrees Celsius (0° C)
The solid will evaporate at 0 degrees Celsius (0° C)
The solid will melt at 0 degrees Celsius (0° C)
Which of the following examples represents a physical change?
Which of the following examples is a physical change but NOT a change of state of matter?
logs burning
water freezing into ice cubes
candle wax melting
paper being cut
A chemical change
changes the physical properties of an object, but does not create a new substance.
creates a new substance and cannot be undone.
What type of change can be easily reversed?
chemical change
physical change
both chemical and physical changes
neither physical or chemical changes
