5.kl loodusõpetus (õhu omadused)
Authored by Siret S
Other Sciences
KG - 5th Grade
Used 49+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on Maad ümbritsev õhukiht?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida on õhus vähem kui 1% ja on oluline taimedes toimuvaks fotosünteesiks?
lämmastikku
hapnikku
süsihappegaasi
osooni
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Õhk on gaaside segu. Millist ainet ei ole õhu koostises?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida on õhus 78%?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida on õhus 21%?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis ainet on vaja põlemiseks?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vulkaanipursete ja kütuste põlemisel eraldub keskkonda palju ...
lämmastikku
hapnikku
süsihappegaasi
vett
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