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Y Ddaear sy'n Newid yn Barhaus
Y Ddaear sy'n Newid yn Barhaus
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Slide 1:
Slide
Chemistry
Upper Secondary (Key Stage 4)
GCSE
This lesson contains
22 slides
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interactive quizzes
and
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Y Ddaear sy'n Newid yn Barhaus
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Slide
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Slide
Slide 8 - Slide
Ffin Cadwrol
Ffin Adeiladol
Ffin Dinistriol
Slide 9 - Drag question
Beth yw'r tystiolaeth allweddol ar gyfer platiau tectonig?
A
Newidiadau mewn tymheredd yn achosi cerryntiau
B
Patrymau echdoriadau folcanig
C
Dosbarthiad ffosiliau ar draws cyfandiroedd
D
Lleoliad trawiad meteoritau
Slide 10 - Quiz
Pwy cynigodd damcaniaeth Drifft Cyfandirol?
A
Harry Hess
B
Alfred Wegener
C
Arthur Holmes
D
John Tuzo Wilson
Slide 11 - Quiz
Beth ddefnyddiodd Alfred Wegner fel tystiolaeth?
A
Daeargrynfeydd ar ymylon platiau
B
Lledaendiad llawr y mor
C
Patrymau arfodiroedd yn ffitio
D
Oedran llawr cefnforoedd
Slide 12 - Quiz
Beth sy'n gyrru symudiad platiau tectonig?
A
Cerrynt a Llanw Cefnforoedd
B
Newidiadau mewn maes magnetig
C
Newid egni solar
D
Cerryntiau darfudiad yn y mantell
Slide 13 - Quiz
Slide 14 - Slide
Slide 15 - Slide
Slide 16 - Slide
Slide 17 - Slide
Profion Nwy
Nwy
Prawf
Ocsigen
Hydrogen
Carbon Deuocsid
Ail gynnu sblint mud losgi
Dwr Calch yn troi'n llaethog
"pop" gyda sbling sy'n llosgi
Slide 18 - Drag question
Pa nwy oedd fwyaf cyffredin yn yr atmosffer cynnar?
A
Ocsigen
B
Carbon deuocsid
C
Argon
D
Nitrogen
Slide 19 - Quiz
Pa broses wnaeth leihau lefela carbon deuocisd?
A
Resbiradaeth
B
Echdoriadau Folcanig
C
Hylosgiad
D
Ffotosynthesis
Slide 20 - Quiz
Pa nwy wnaeth gynyddu oherwydd planhigion?
A
Sylfwr deuocsid
B
Carbon monocsid
C
Methan
D
Ocsigen
Slide 21 - Quiz
Pa nwy sydd yn achosu cynhesu byd eang?
A
Heliwm
B
Neon
C
Hydrogen
D
Carbon deuocisd
Slide 22 - Quiz
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