2.4 Y Ddaear
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Kathryn Roberts
Used 1+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r pedair haen o adeiledd y Ddaear?
Y gramen, y fantell, y craidd canol, y craidd allanol
Y gramen, y fantell, y craidd allanol, y craidd mewnol
Y gramen, y fantell, y craidd mewnol, y craidd canol
Y gramen, y craidd allanol, y craidd mewnol, y craidd canol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pwy ddatblygodd ddamcaniaeth drifft cyfandirol?
Albert Einstein
Alfred Wegener
Charles Darwin
Isaac Newton
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r enw ar y platiau sy'n ffurfio rhan uchaf y fantell?
Platiau tectonig
Platiau cyfandirol
Platiau craidd
Platiau atmosfferig
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Faint o flynyddoedd yn ôl y ffurfiwyd y Ddaear?
6.5 biliwn o flynyddoedd
4.5 biliwn o flynyddoedd
3.5 biliwn o flynyddoedd
5.5 biliwn o flynyddoedd
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa brosesau sydd wedi newid cyfansoddiad yr atmosffer?
Prosesau cemegol yn unig
Dim ond gweithgareddau dynol
Prosesau naturiol a gweithgareddau dynol
Dim ond prosesau naturiol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r prif elfen o'r gramen Ddaear?
Carbon
Silicon
Ocsigen
Haearn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pa haen o'r Ddaear sy'n cynnwys y platiau tectonig?
Y gramen a'r fantell uchaf
Y fantell isaf
Y craidd allanol
Y craidd mewnol
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