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BBC - How to Make - Clustffonau

Authored by Sion JONES

Physics, Chemistry, Design

10th Grade

Used 8+ times

BBC -  How to Make - Clustffonau
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20 questions

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1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

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Sawl par o glustffonau sydd yn cael ei werthu bob eiliad?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Pwy ddyfeisiodd y seinydd (speaker) cyntaf, fel rhan o'r ffôn cyntaf?

Thomas Edison

Charles Darwin

Alexander Graham Bell

Norman Telephone

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Pryd y dyfeisiwyd y seinydd (speaker) yn y ffôn cyntaf?

1876

1980

1066

2010

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Yn 1881, cysylltodd Ezra Gilliland seinydd (speaker) ar fand pen i'w defnyddio ble?

Ar drafnidiaeth gyhoeddus

Mewn cyfnewidfeydd ffôn (telephone exchanges)

Awyrennau

Ar frawd / chwaer swnllyd

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Roedd cas y siaradwr mewn clustffonau cynnar wedi ei wneud o ba blastig a ddyfeisiwyd ym 1809?

Bacelite

PVC

ABS

Acrylig

6.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

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Ym mha flwyddyn y rhyddhaodd John Koss y clustffonau stereo cyntaf?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Beth oedd enw'r chwaraewr casét stereo personol cyntaf, a ryddhawyd gan Sony ym 1979?

CassettePod

MP1 Player

Walkman

Boombox

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