Add Papers Marked0
Paper checked off!

Marked works

Viewed0

Viewed works

Shopping Cart0
Paper added to shopping cart!

Shopping Cart

Register Now

internet library
Atlants.lv library
FAQ

Great deal: today with a discount!

Regular price:
0,99
You save:
0,14 (14%)
Discounted price*:
0,85
Purchase
Add to Wish List
ID number:788076
Author:
Evaluation:
Published: 13.04.2011.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

1. Pētāmā problēma un lielumi
Hipotēze – ja palielināsies šķīduma pH līmenis, tad paātrināsies auzu dīgšanas ātrums, jo sārmainā vidē auzu graudi ātrāk dīgst.
Pētāmā problēma – kā palielināsies auzu graudu dīgstu garums, ja mainās šķīduma pH līmenis?
Neatkarīgie lielumi – šķīdumi (destilēts ūdens, nātrija hidroksīds)
Atkarīgie lielumi – auzu graudu dīgsta garums.
Fiksētie lielumi – papīra lapiņas, šķīduma daudzums, temperatūra, saules gaisma.
2. Darba piederumi un vielas
45 auzu graudi; 3 Petri plates; 6 priekšmetstikli; papīra lapiņas; 45 ml destilēta ūdens; 3 vārglāzes; indikatorpapīrs; 10% NaOH šķīdums; marķieris; līmpapīrs; pipete; lineāls.…

Author's comment
Work pack:
GREAT DEAL buying in a pack your savings −2,89 €
Work pack Nr. 1314076
Load more similar papers

Send to email

Your name:

Enter an email address where the link will be sent:

Hi!
{Your name} suggests you to check out this Atlants.lv paper on „Vides pH ietekme uz auzu graudu dīgšanu”.

Link to paper:
https://eng.atlants.lv/w/788076

Send

Email has been sent

Choose Authorization Method

Email & Password

Email & Password

Wrong e-mail adress or password!
Log In

Forgot your password?

Draugiem.pase
Facebook
Twitter

Not registered yet?

Register and redeem free papers!

To receive free papers from Atlants.com it is necessary to register. It's quick and will only take a few seconds.

If you have already registered, simply to access the free content.

Cancel Register