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ID number:304796
 
Evaluation:
Published: 05.05.2023.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Pētījuma plānošana
• Lielumi/pazīmes

Atkarīgais lielums: Putu stabiņa augstums

Neatkarīgais lielums: Ogļhidrāti(cukurs, glicerīns, fruktoze)

Fiksētie lielumi: Rauga suspensijs(5ml)

• Darba piederumi un vielas
Raugs(14g), cukurs, fruktoze, glicerīns, ūdens, 4 mērcilindri, lineāls, taimers, stikla nūjiņa, svari.

• Darba gaita
1. Nosver 5g cukura, 5 g glicerīna un 5g fruktozes.
2. Mērcilindrā iejauc rauga suspensiju (14g uz 50ml remdena ūdens)
3. Visos trīs mērcilindros ielej 5ml rauga suspensija.…

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