4.3 Ch1 Water and us
Authored by experison cheong
Science
4th Grade
Used 43+ times
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13 questions
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1.
MATCH QUESTION
1 min • 1 pt
What do you use water for in daily life?
leisure activities
cleaning
cooking
water the plants
drinking
2.
MATCH QUESTION
1 min • 1 pt
What do you use water for in society?
generating
electricity
(電力)
farming
cleaning
shipping
putting out fires
3.
CATEGORIZE QUESTION
3 mins • 1 pt
Where can we find salt water(鹹水) and fresh water(淡水)?
Groups:
(a) salt water
,
(b) fresh water
ocean(海洋)
stream(溪流)
lakes(湖泊)
snowy mountain(雪山)
glacier (冰川)
sea
river(河流)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do we get fresh water from?
Huang He
(黃河)
Zhu Jiang
（珠江）
Xi Jiang
（西江）
Dong Jiang
（東江）
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fresh water(淡水) only makes up ... of the total amount of water on earth.
0.5%
1.5%
2.5%
3.5%
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Macao government builds reservoirs(水塘) to collect ...
(a)
7.
REORDER QUESTION
1 min • 1 pt
How does clean, fresh water reach our homes?
The water is pumped to water tanks(水箱) in buildings and flows into our homes through water pipes(水管).
Chlorine(氯氣) and fluoride (氟化物) is added to water.
The water goes through
sedimentation(沉澱).
The water goes through
filtration (過濾).
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