WorksheetsChemical + Physical Changes
Total questions: 10
Worksheet time: 10mins
A chemical change
changes matter from one form to another.
destroys matter.
creates matter
does not change matter in any way.
Which of the following is a physical change?
Iron is oxidized to iron oxide
Aluminum metal is pounded into thin sheets
Copper reacts with a strong acid
Sodium metal explodes on contact with water
Which of the following is an example of a chemical change?
melting solid gold
burning hydrogen gas
dissolving sugar in water
breaking a sheet of glass
Which of the following is a common sign that a chemical change has occurred?
A chemical has changed size.
A chemical has changed to a different state (solid, liquid or gas)
A chemical has become a different shape.
A chemical has turned a different color.
When silver metal comes in contact with sulfur, silver sulfide forms and the silver appears darker. This is a...
change of form
chemical change
change of state
physical change
Two solutions are added together and the new solution becomes hot. This tells you that
a gas is being produced.
the solutions are not soluble.
the physical properties are the same.
a chemical change is taking place.
A solid brown metal is added to a clear acidic solution. A white powder appears and the acid solution becomes cloudy. Which type(s) of change have/has occurred?
both chemical and physical
only physical
neither chemical nor physical
only chemical
Jolene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change physically, not chemically?
burning the sugar cube with a match
crushing the sugar cube and dissolving it in water
dehydrating the sugar cube with sulfuric acid
chewing the sugar cube and digesting it
A physical change occurs when…
both the appearance of a substance and its phase change.
the appearance of a substance changes but its phase does not.
the phase of a substance changes but its appearance does not.
neither the appearance of a substance nor its phase changes.
Diane draws a picture on a piece of paper and then folds it into a paper airplane. She throws it at her little brother, and it hits him in the head. He responds by ripping up the paper. Which of the following is an example of a physical change?
ripping up the paper
folding the paper into an airplane
drawing on the paper
all of these
