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- 1. Multiple Choice
Give an example of physical change
kicking a football
burning a paper
growth of animals and plants
cooking
- 2. Multiple Choice
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
- 3. Multiple Choice
Melting of a popsicle is a reversible change
true
false
- 4. Multiple ChoiceWhich of these is NOT a reversible change?Water to IceJuice to PopsicleCookie Dough to CookieMelting Chocolate
- 5. Multiple ChoiceChanging liquid to a gas is calledevaporationcondensationmeltingfreezing
- 6. Multiple ChoiceWhat is happening in the statement below?
The ice cube melted.Matter is changing from a liquid to a solid.Matter is changing from a liquid to a gas.Matter is changing from a solid to a liquid.Matter is changing from a gas to a liquid. - 7. Multiple Choice
The picture shows an example of a ______________ change.
reversible
freezing
irreversible
all of the above
- 8. Multiple ChoiceWhen heat is added to a solid, it ______________.freezesevaporatesmeltscondenses
- 9. Multiple Choice
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
- 10. Multiple Choice
Freezing juice is an example of a(n) ________
irreversible change
reversible change
- 11. Multiple Choice
Reversible Change
Irreversible Change
Both options are correct
None of the above
- 12. Multiple Choice
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
- 13. Multiple Choice
Folding of paper is a ____________ change while burning it is a _____________ change.
reversible , reversible
reversible, irreversible
irreversible, reversible
- 14. Multiple Choice
Which one of the following is a beneficial change?
rusting of iron object
spoilage of food
ripening of fruit
souring of milk
- 15. Multiple Choice
The iron blade of a soil digging tool is fixed to a wooden handle by the process of ______________.
melting
contraction
expansion
freezing
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