Gwyddoniaeth, cyfnod allweddol dau
Subtitle: y llyfr astudio
By: golygwyd gan Richard Parsons ; addasiad Cymraeg gan Carroll Hughes.
Contributors: Parsons, Richard.; Hughes, Carroll.
Publisher: Y Canolfan Astudiaethau Addysg
Published: 2001
Place of publication: Aberystwyth
Language: wel
Number of pages: 108
Subjects: Science -- Study and teaching (Elementary) -- Wales.
Work titles: Key stage two science : the study book.
Notes: Argraffiad Saesneg gwreiddiol = Original English edition : Kirkby-in-Furness : Coordination Group Publications, 1999.

Yn cynnwys mynegai = Includes index.

Addasiad Cymraeg o = Welsh adaptation of : Key stage two science : the study book.