WorksheetsPhysical and Chemical Changes Quiz
Total questions: 20
Worksheet time: 10mins
What is a physical change?
A change in which a new substance is formed
A change in the appearance or state of a substance without forming a new substance
A change that cannot be reversed
A change that produces heat and light
What is a chemical change?
A change that only affects the state of matter
A change in which one or more new substances are formed
A change that is always reversible
A change in size and shape
Which of the following is an example of a physical change?
Burning wood
Rusting iron
Melting ice
Baking a cake
Which of the following is an example of a chemical change?
Freezing water
Cutting paper
Dissolving sugar in water
Digesting food
Is melting ice a physical or chemical change?
Physical change
Chemical change
Both
Neither
Is burning paper a physical or chemical change?
Physical change
Chemical change
Both
Neither
What happens to the molecules in a substance during a physical change?
They form new substances
They break down into atoms
They remain the same but change their arrangement
They disappear
What happens to the molecules in a substance during a chemical change?
They remain the same
They change their arrangement without forming new substances
They form new substances with different properties
They evaporate
Can a physical change be easily reversed?
Yes, always
No, never
Sometimes
Only in some cases
Can a chemical change be easily reversed?
Yes, always
No, never
Sometimes
Only in some cases
Is dissolving sugar in water a physical or chemical change?
Physical change
Chemical change
Both
Neither
Is rusting of iron a physical or chemical change?
Physical change
Chemical change
Both
Neither
During a physical change, do new substances form?
Yes
No
Sometimes
Only under certain conditions
During a chemical change, do new substances form?
Yes
No
Sometimes
Only under certain conditions
What are some signs that a chemical change has occurred?
Change in state
Formation of a new substance
Change in shape
Mixing of substances
What are some signs that a physical change has occurred?
Change in temperature
Formation of gas
Change in state
Emission of light
Is boiling water a physical or chemical change?
Physical change
Chemical change
Both
Neither
Is cooking an egg a physical or chemical change?
Physical change
Chemical change
Both
Neither
Why is chopping wood considered a physical change?
Because it changes the state of wood
Because it forms a new substance
Because it only changes the size and shape
Because it produces heat
Why is baking a cake considered a chemical change?
Because the ingredients only change shape
Because new substances with different properties are formed
Because it is reversible
Because the mixture can be separated
