Roced Alka-Seltzer

Adnoddau Cymraeg for 5-11 11-14

Yr hyn sydd ei angen arnoch

  • Tabled Alka-Seltzer
  • Canister ffilm gwag
  • Hen bapur newydd 
  • Dŵr

Cyfarwyddiadau 

  1. Rhowch y dabled yn y canister ffilm. Ychwanegwch tua 1cm o ddŵr. 
  2. Rhowch y caead ar y canister a'i ysgwyd yn ysgafn.  
  3. Rhowch y canister ben i waered ar y papur newydd yn sydyn a sefwch 'nôl!

Canlyniadau ac Esboniad

Mae tabled Alka-Seltzer yn ffisian mewn dŵr ac yn rhyddhau nwy. Mae'r nwy yn cronni yn y canister nes bod y gwasgedd yn ormod, ac mae'n gwthio'r caead oddi ar y canister!

Llawrlwythwch

09 - Marfin a Milo - Roced Alka-Seltzer.pdf
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Marfin a Milo

Yma gallwch bori trwy'r ôl-gatalog cyfan o weithgareddau ffiseg Marfin a Milo...

For 5-11 11-14 21 Resources

Ready To Teach Collection

Adnoddau addysgu yn y Gymraeg

Yma gallwch bori trwy'r ôl-gatalog cyfan o Cymraeg adnoddau ffiseg.

For 11-14 14-16 16-19 26 Resources

Misconceptions
RESEARCH REVIEW Electricity and Magnetism

Many students cannot correctly predict the potential difference across each resistor in a series circuit given the battery's potential difference and the resistance of the resistors

  • Number of Resources4
  • Number of References1
  • Number of Diagnostic Resources10
RESEARCH REVIEW Forces and Motion

Many students think that, if an object has a speed of zero (even instantaneously), it has no acceleration

  • Number of Resources1
  • Number of References1
  • Number of Diagnostic Resources1
RESEARCH REVIEW Quantum and Nuclear

Students’ views about the risk of radiation and radioactive materials are based more strongly on everyday information than scientific ideas

  • Number of Resources3
  • Number of References3
  • Number of Diagnostic Resources0
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