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WorksheetsPhysical vs Chemical Changes
Total questions: 21
Worksheet time: 12mins
stepping on a Coke can
sodium metal is cut with a knife
glucose dissolves in water
cooking an egg
baking cookies
mixing sand and water
sharpening a pencil
a nail rusting
burning wood
What is chemical change?
How two chemicals react with one another when combined
A property that we can measure or observe with our 5 senses or other tools
When two chemicals react with one another to form a new substance
When a change occurs but it does not result in the formation of a new substance
What is physical change?
How two chemicals react with one another when combined
A property that we can measure or observe with our 5 senses or other tools
When two chemicals react with one another to form a new substance
When a change occurs but it does not result in the formation of a new substance
Which of the following is an indication of chemical change
Melting
Freezing
Burning
Evaporating
Thermal energy (heat) is released or absorbed during the reaction explains the _________________
Change in color
Change in temperature
Change in gas
What kind of change an exploding firework?
physical change
chemical change
a banana rotting is what type of change?
chemical change
physical change
baking soda and vinegar chemically combine to make a new substance. What type of change is this?
chemical change
physical change
Ice cream melting is what type of change?
chemical change
physical change
Cutting a pizza into 8 separate slices is what type of change?
chemical change
physical change
In a physical change, a new substance is formed.
True
False
Baking a cake is an example of a physical change.
True
False
