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WorksheetsGrade-6 Science Ch-5 and Ch-6
Total questions: 20
Worksheet time: 15mins
Melting of wax is ___________.
Chemical change
Physical change
both of these
none of these
Burning of paper is __________.
chemical change
physical change
reversible change
irreversible change
Formation of steam from boiling water is ___________.
reversible change
irreversible change
chemical change
none of these
The changes in which a new substance is formed are called ___________.
physical change
chemical change
fast change
slow change
The substances formed in a reaction are called ____________.
reactants
products
Deforestation is an irreversible change.
true
false
Drying of clothes is an reversible change.
true
false
Growing plants is an example of __________.
fast change
slow change
Blowing of a balloon is an example of _____________ .
slow change
fast change
Can you change the shape of eraser after erasing?
Yes
No
The changes which take place in a long period of time are called slow changes.
true
false
Beating of heart is an example of slow change.
true
false
Can flour be converted in to grains again?
Yes
No
Melting of ice-cubes is an ___________.
reversible change
irreversible change
The process of liquid turning into solid form at a low temperature is known as freezing.
true
false
Process in which a substance expands or changes its shape is known as expansion.
true
false
The process in which a substance shrinks or changes its shape is known as contraction.
true
false
A mixture of two or more solids in a liquid makes a solution.
true
false
The changes neither very fast and nor very slow are called moderate change.
true
false
The process in which any liquid starts to convert in to steam at a certain temperature is called boiling.
true
false
