Golwg gyntaf ar greigiau, pridd a thywydd
By: [golygydd a phrif awdur: Pamela Wadsworth] ; [dylunio: Sylvia Tate] ; [addasiad Cymraeg: Ken a Sian Owen].
Contributors: Tate, Sylvia.
Series: Gwyddoniaeth gynradd Nuffield : archwilio prosesau a chysyniadau gwyddonol; Gwyddoniaeth gynradd Nuffield
Publisher: Dref Wen
Published: 1997
Place of publication: Caerdydd
Language: wel
Number of pages: 24
Subjects: Science -- Study and teaching (Elementary); Geology -- Study and teaching (Elementary); Weather -- Study and teaching (Elementary)
Work titles: First look at rocks, soil and weather.
Notes: Arg. Saesneg gwreiddiol = Original English ed.: London: Collins Educational, 1993.

Addasiad Cymraeg gan = Welsh adaptation by: Ken a Sian Owen.

Teitl clawr = Cover title.

Yn cynnwys mynegai = Includes index.

Addasiad Cymraeg o = Welsh adaptation of: First look at rocks, soil and weather.