WorksheetsPhysical Change and Chemical Change
Total questions: 20
Worksheet time: 11mins
Fill in the blank: There is only a change in state, shape, size or appearance in (a) change.
Chopped wood is an example of which change?
Physical change
Chemical change
Which of the following choices is NOT an example of physical change?
Physical change involves changes in phase such as solid to liquid, liquid to solid, or liquid to gas. Is this statement true or false?
True
False
Complete the sentence: Sublimation is the change in phase of matter from ________.
.. solid to gas.
... gas to liquid
... solid to liquid
... liquid to solid
... liquid to gas
Which of the choices is NOT a change of phase?
Melting
Evaporation
Condensation
Decomposition
Which phase change happens when wet clothes hanging under the sun gets dry?
Freezing
Condensation
Evaporation
Melting
Which of the following is NOT a sign there is chemical change happening?
There is odor given off.
There is a new color that appears.
Heat is given off.
There is change in shape only.
Complete the sentence: Burnt toast is an example of _________ change.
Chemical
Physical
Phase
Which of the choices is NOT an example of a chemical change?
Paper is a combustible material. Is this statement true or false?
True
False
Rusting of iron can be prevented using paint. Is this statement true or false?
True
False
OXIDATION is a chemical change when a material combines with water. Is this statement true or false?
True
False
Rusting of iron is caused by reaction of iron with oxygen present in the air. Is this statement true or false?
True
False
Combustion refers to the process or change where materials burn due to presence of heat and oxygen. Is this statement true or false?
True
False
What physical change did the ice undergo as it became liquid water?
Formation of new materials
Change of mass
Change of state
Physical changes always include chemical changes like formation of new materials. Is this statement true or false?
True
False
Chemical changes include the following:
A)A physical change;
B)Change of identity;
C)Change of chemical make-up.
Which of these statement are included in a chemical change?
Chemical changes include all three statements.
Chemical changes include A only.
Chemical changes include B and C only.
Examples of chemical change are the following:
A)Condensation of water vapor to liquid water;
B)Combustion of wood;
C)Milk souring.
Are these statements correct?
Only B and C are correct examples
Only A is the correct example
Only A and C are correct examples.
Examples of physical change are the following:
A)Pulling copper bars into copper wires;
B)Evaporation of water;
C)Fermenting sugar into alcohol.
Are these statements correct?
Only A and B are correct examples
Only A and C are correct examples
All three (3) statements are correct.
