Kontrolltöö. Õhu koostis ja omadused
Quiz
•
Biology
•
2nd Grade
•
Hard
Used 4+ times
FREE Resource
14 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Õhk on gaaside segu. Õhu lämmastikusisaldus on...
Õhu hapnikusisaldus on...
2.
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2 mins • 1 pt
Küttepuude põlemisel eraldub õhku...
3.
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3 mins • 1 pt
Õhu soojusastet määratakse
4.
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3 mins • 1 pt
Õietolmu sattumine emakasuudmele on...
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Maad ümbritsevat õhukihti nimetatakse...
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Õhu koostisosa, mida taimed kasutavad kasvamiseks, on ...
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Tuultolmlejad taimed on... (kirjelda)
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