
Trosglwyddo Egni Gwres
Quiz
•
Physics
•
8th Grade
•
Hard

Rhys Davies
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa cyflwr mater mae dargludiad yn digwydd mewn?
Hylif
Solid
Nwy
Gwactod
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pa cyflwr mater mae darfudiad yn digwydd mewn? (Fwy nag un ateb)
Solid
Nwy
Hylif
Gwactod
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa cyflwr mater mae pelydriad yn digwydd mewn?
Gwactod
Solid
Nwy
Hylif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa un o'r canlynol yw'r dargludydd gorau?
Plastig
Pren
Metel
Gwydr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pam mae dolen sosban fel arfer yn plastig neu pren?
Gan ei fod yn dargludyddion dda.
Gan ei fod yn ynysyddion da.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa un o'r canlynol sy'n enghraifft o pelydriad?
O elfen tegell trydan i wresogi'r holl ddwr yn y tegell.
O gylch trydan trwy waelod sosban fetel.
O'r haul i banel solar wedi'i osod ar y to.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pam ydy rhan poethaf yr ystafell yn agos i'r to, pan mae'r rheiddiadur ymlaen?
Oherwydd darfudiad.
Oherwydd dargludiad.
Oherwydd pelydriad.
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