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Vesi II

Authored by Karolin undefined

Biology

5th Grade

Used 21+ times

Vesi II
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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

pindpinevus
märgumine
aurustumine
murenemine

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nähtus, mille puhul vedeliku molekulid tõmbuvad tahke pinna molekulitega ja vedelik valgub laiali

pindpinevus
märgumine
aurustumine
murenemine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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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