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WorksheetsChanges around us
Total questions: 15
Worksheet time: 10mins
Give an example of physical change
kicking a football
burning a paper
growth of animals and plants
cooking
What is a reversible change?
a change that cannot be reversed
a change that can be reversed
I don't know
a change where a new substance is formed
Melting of a popsicle is a reversible change
true
false
The ice cube melted.
The picture shows an example of a ______________ change.
reversible
freezing
irreversible
all of the above
One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?
sublimation
condensation
evaporation
distillation
Freezing juice is an example of a(n) ________
irreversible change
reversible change
Reversible Change
Irreversible Change
Both options are correct
None of the above
A teacher wants to show clear difference between reversible and irreversible changes, which one of the following will be suitable for the same
boiling of milk and freezing it
Boiling milk and making paneer
melting ice and freezing it
Folding of paper is a ____________ change while burning it is a _____________ change.
reversible , reversible
reversible, irreversible
irreversible, reversible
Which one of the following is a beneficial change?
rusting of iron object
spoilage of food
ripening of fruit
souring of milk
The iron blade of a soil digging tool is fixed to a wooden handle by the process of ______________.
melting
contraction
expansion
freezing
