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- 1. Multiple Choice
Materials can change when ... is done to them.
an action
a colour
a properties
an object
- 2. Multiple Choice
... can change when they are heated or cooled
material
colour
shape
size
- 3. Multiple Choice
A change where the material is able to return to its original shapes is called ....
permanent change
temporary change
sudden change
accidental change
- 4. Multiple Choice
A change where the material cannot return to its original size and shape is called ....
permanent change
temporary change
sudden change
accidental change
- 5. Multiple Choice
twisting a metal aper clip is the example of ... change
permanent
temporary
sudden
accidental
- 6. Multiple Choice
Tearing a piece of paper is the example of .... change
temporary
permanent
sudden
accidental
- 7. Multiple Choice
change in material can be ... and ... to our life
useful - harmful
good - useful
bad - harmful
bad and danger
- 8. Multiple Choice
Wrap food with plastic and shape wet clays into pots or vases are the examples of ....
harmful change
useful change
sudden change
accidental change
- 9. Multiple Choice
When a metal rod is heated, it becomes ....
shorter
longer
bigger
smaller
- 10. Multiple Choice
The change in size and shape are called ... change
permanent
temporary
physycal
mental
- 11. Multiple Choice
when a metal wire is cooled, it becomes ....
longer
shorter
bigger
smaller
- 12. Multiple Choice
the size of rubber band changes when we ... it
throw
kick
pull
cut
- 13. Multiple Choice
hammering a ceramic vases is the examples of ... change
temporary
permanen
accidental
sudden
- 14. Multiple Choice
The following are the examples of permanent changes, except ....
bending a wooden pencil
cutting and grinding meat
bending a ruler gently
pressing a plastic water bottle
- 15. Multiple Choice
The following are the examples of temporary changes, except ....
heating an iron rod
bending a plastic spoon gently
pressing a rubber ball
squeezing a grape
- 16. Multiple Choice
Pressing ball is the example of ...
temporary changes
permanent changes
chemical changes
mental changes
- 17. Multiple Choice
Changes in size and shape of materials are called
temporary change
permanent change
physical change
accidental change
- 18. Multiple Choice
having gaps in metal railway track and ceramic bricks are the examples of physical changes that can cause .... to our life
happiness
danger
useful
nothing
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