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25
×
_________________is waste that does not decompose.( Biodegradable waste Non-Biodegradable waste)
Non- Biodegradable waste
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25
×
A _________ change can be undone.
reversible change
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×
lifesaver
Give 5 points!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 10 points!
Oops!
25
×
Why is glass the best material for windows?
It is transparent
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25
×
Name the gas that is formed when water evaporates
water vapour
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25
×
Which property of material does a sponge has
Absorbency
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25
×
What is meaning of this safety symbol?
flammable
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25
×
There are _____ states of matter
4
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25
×
Matter is anything that takes up space and has mass (True or False)
True
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25
×
Flexible means_____________________
easy to bend
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25
×
Decay is an example of what kind of change?
Irreversible change
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banana
Go to last place!
Oops!
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fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
10
15
20
25
25
×
Melting and freezing are both reversible changes. (True or False)
True
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25
×
Is rusting a reversible change? (yes or no)
no
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25
×
Which material is hard and is attracted to a magnet?
Metals
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heart
Other team wins 25 points!
Oops!
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magnet
Take 5 points!
Okay!
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shark
Other team loses 5 points!
Okay!
×
baam
Lose 5 points!
Oops!
×
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