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WorksheetsChanging Materials
Total questions: 20
Worksheet time: 19mins
How would you describe a liquid changing to a solid?
melting
boiling
freezing
shaping
How would you describe a solid changing to a liquid?
melting
boiling
freezing
shaping
Which scenario would melt a crayon faster?
In a classroom
In a refrigerator
In a freezer
Under a lamp light
What will happen to ice cubes if you put them in a sunny place?
The ice cubes will freeze and turn into a solid.
The ice cubes will melt and turn in to a liquid.
The ice cubes will turn into water and boil.
Nothing will happen to the ice cubes.
Which will change state if you put it in the freezer?
sand
a bowl
a pencil
juice
How can you turn liquid water into a solid?
Boil it on the stove.
Put it in a sunny place.
Keep it in the dark.
Put it in the freezer.
As temperature increases, what happens to particles?
They speed up
They slow down
Chemical change is:
new matter is formed
same matter
Physical change is:
new matter is formed
same matter but different shape
Cutting paper into pieces:
chemical change
physical change
Burning wood:
physical change
chemical change
Combining white vinegar and baking soda:
chemical change
physical change
What makes particles in solids vibrate faster?
Heating
Cooling
Freezing
Blowing a balloon is a.....
Irreversible process
Reversible process
Both
On cooling a chocolate will be
Harden
Freezed
Melted
A _______ is made up of one thing
Substance
Mixture
Solution
Rusting, tearing, cooking, all are
Reversible processes
Irreversible processes
