
Õhk, õhu koostis ja õhu omadused

Quiz
•
Science
•
5th Grade
•
Hard
Carmen Kask
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Millist gaasi leidub õhus kõige rohkem?
Hapnikku
Lämmastikku
Süsihappegaasi
2.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Mitu % on õhus hapnikku?
78%
21%
1%
3.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Millist õhus olevat gaasi vajavad taimed kasvamiseks?
Lämmastikku
Hapnikku
Süsihappegaasi
Ei vajagi mingit gaasi kasvamiseks
4.
MULTIPLE SELECT QUESTION
45 sec • 3 pts
Kuidas lisandub õhku süsihappegaas?
Põlemisel
Vulkaanipursete käigus
Taimedest eraldub
Seda ei tulegi õhku juurde
5.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Kuidas on atmosfääris olev hapnik seotud taimedega?
Taimed vajavad hapnikku kasvamiseks
Taimed toodavad ise hapnikku
Hapnik on taimedele kahjulik
Taimed toodavad hapnikust süsihappegaasi
6.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Millist õhu koostisosa kasutame hingamiseks?
Lämmastikku
Vett
Süsihappegaasi
Hapnikku
7.
MULTIPLE CHOICE QUESTION
45 sec • 3 pts
Miks püsib õhukoht maakera ümber?
Ei püsigi, õhk on kogu avakosmoses laiali
Maal on raskusjõud, mis õhku enda poole tõmbab
Maakeral ei ole õhukihti
Maal on tõmbejõud, mis õhku enda poole tõmbab
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