Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
To investigate the strength of cytoplasm in potato cells.
Member rating: No Rating | Words: | Submitted: Tue Aug 26 2003
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Maintenance of life AIM To investigate the strength of cytoplasm in potato cells. VARIABLES Strength of solution Weight of potato Length of potato Volume of solution Temperature of the room Type of potato Size of potato WHAT I ALREADY KNOW I know that osmosis is when water molecules move from a weak solution to a strong solution through a semi-permeable membrane. PREDICTIONS I predict that the stronger the salt solution is the more likely the potato will weigh less than what it did at the start of the experiment. APPARATUS AND MATERIALS Potato Stop clock Boiling tubes (100ml, 10ml) Salt solutions of various strengths A balance Test tubes Test tube holders A scalpel A teat pipette DIAGRAM PLAN I will get 5 test tubes and place them into the test tube rack. I will then cut up 5 pieces of potato and weigh them to make sure they all weigh the same weight to make the test fair. To make the 1% solution you have 50ml of 2% salt solution already made by the teacher and 50ml...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 151,713 others
