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Solidau, hylifau a nwyon. Solids, liquids and gases

Authored by Rhiannon Evans

Chemistry

7th - 10th Grade

Used 20+ times

Solidau, hylifau a nwyon. Solids, liquids and gases
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae nwyon _______________.

Gases __________.

a siâp pendant

have a fixed shape

yn hawdd i'w cywasgu

are easily compressed

gyda gronynnau sydd methu llifo

have particles that do not flow easily

gyda chyfaint penodol

have a definite volume

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae solidau ______________ .

Solids __________.

yn cymryd siâp eu cynhwysydd

take the shape of their container

â siâp pendant

have a fixed shape

yn gallu cael eu cywasgu

are compressible

â gronynnau sy'n llifo'n hawdd

have particles that flow easily

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Golygir cywasgu

Compress means to __________.

gwneud yn llai gyda gwasgedd

flatten by pressure

cynyddu tymheredd

increase temperature

ymdoddi

melt

lleihau más

decrease mass

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daw ddŵr yn solid pan _______.

Water becomes a solid when __________.

Mae'r tymheredd yn codi

temperature is increased

Mae'r tymheredd yn gostwng

temperature is decreased

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

____________ ydy anwedd dŵr.

Water vapor is a __________.

Solid / solid

Hylif / liquid

Nwy / gas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mae _______________ yn dueddol o gymryd siâp gwaelod ei chynhwysydd ac mae ganddynt gyfaint pendant.

__________ have a definite volume and tend to take the shape of their container.

solidau / solids

hylifau / liquids

nwyon / gases

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ychydig iawn o symudiad sydd gan ronynnau mewn _______________ ac felly mae'r gwrthrych yn cadw'i siâp.


Particles in a __________ have very little movement and the object keeps its shape and volume.

solid

hylif / liquid

nwy / gas

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