Vesi II
Authored by Karolin undefined
Biology
5th Grade
Used 21+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nähtust, mille tõttu suudab vesi alt üles liikuda.
pindpinevus
soojuspaisumine
kapillaarsus
lenduvus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nähtus, mille puhul vedeliku pinnakiht käitub nagu kile
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nähtus, mille puhul vedeliku molekulid tõmbuvad tahke pinna molekulitega ja vedelik valgub laiali
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis putukas on pildil?
liuskur
sääsk
seiskur
uiskur
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millega on kaetud liuskuri jalad?
õlitaolise kirmega
naftaga
karvakestega
veega
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miks nafta on veelindudele ohtlik?
see lahustab sulestiku rasvakihti
nafta teeb linnud inetuks
nafta ei ole veelindudele ohtlik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Puhastusained (nõudepesuvahend, pesupulber) ...
suurendavad vee pindpinevust.
vähendavad vee pindpinevust.
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