Sawl par o glustffonau sydd yn cael ei werthu bob eiliad?
BBC - How to Make - Clustffonau

Quiz
•
Physics, Chemistry, Design
•
10th Grade
•
Hard
Sion JONES
Used 8+ times
FREE Resource
20 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
Pryd y dyfeisiwyd y seinydd (speaker) yn y ffôn cyntaf?
1876
1980
1066
2010
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
Ym mha flwyddyn y rhyddhaodd John Koss y clustffonau stereo cyntaf?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth oedd enw'r chwaraewr casét stereo personol cyntaf, a ryddhawyd gan Sony ym 1979?
CassettePod
MP1 Player
Walkman
Boombox
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
PRACTICA ELEMENTOS QUÍMICOS 1 AL 20

Quiz
•
10th Grade
22 questions
Cwis Tonnau a Trydan

Quiz
•
9th - 10th Grade
15 questions
Adolygu Bondio TGAU

Quiz
•
9th - 12th Grade
18 questions
Egni Trydanol

Quiz
•
10th Grade
20 questions
Konfigurasi Mekanika Kuantum

Quiz
•
10th - 12th Grade
18 questions
konfigurasi elektron

Quiz
•
10th Grade
19 questions
Configuración electrónica

Quiz
•
10th Grade
20 questions
Electron Configuration REVIEW

Quiz
•
10th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade