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Cymraeg Vocabulary Mat — Science & Technology

A bilingual Welsh/English vocabulary mat for Years 4–6: Welsh vocabulary for the Science & Technology AoLE — living things, forces, materials, computing, and key scientific terms in Welsh.

Vocabulary MatGrade 4Grade 5Grade 6Free

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Page count: 3. Print-ready PDF — letter / A4 friendly. Click image to see all pages.

Gwyddoniaeth — Science terms

  1. 1 arbrawf experiment e.g. AR-brout
  2. 2 arsylwi to observe e.g. ar-SUL-wee
  3. 3 rhagfynegi to predict e.g. hrag-vuh-NEG-ee
  4. 4 mesur to measure e.g. MEZ-ir
  5. 5 natur nature e.g. NAT-ir
  6. 6 organeb organism e.g. or-GAN-eb
  7. 7 cydbwysedd balance / equilibrium e.g. kud-BOO-eseth
  8. 8 tymheredd temperature e.g. tum-HER-eth
  9. 9 grymoedd forces e.g. GRUM-oyth
  10. 10 egni energy e.g. EG-nee
  11. 11 mater matter / material e.g. MAT-er
  12. 12 cyfrifiadur computer e.g. kuv-RIF-ee-ad-ir

Gwyddoniaeth — Science sentence frames

Welsh sentence starters for science investigations

  • Fy rhagfynegiad i yw... — My prediction is...
  • Rwy'n credu y bydd... — I think that...
  • Sylwais i fod... — I noticed that...
  • Mae'r canlyniad yn dangos... — The result shows...
  • Roeddwn i'n iawn / anghywir oherwydd... — I was right / wrong because...
  • Y newidyn yw... — The variable is...
  • I wneud y prawf yn deg... — To make the test fair...
  • Casgliad: mae'r dystiolaeth yn awgrymu... — Conclusion: the evidence suggests...

Learning objective

Use Welsh vocabulary for science and technology; construct simple Welsh sentences using investigation sentence frames; connect Welsh language learning to the Science & Technology AoLE.

About this resource

  • Subject: Languages
  • Type: Vocabulary Mat
  • Grade levels: Grade 4 (ages 9-10, ≈ Year 5), Grade 5 (ages 10-11, ≈ Year 6), Grade 6 (ages 11-12, ≈ Year 7)
  • Pages: 3
  • Date added: 2026-05-28
  • Credit: Qualified primary teacher