Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

GCSE BIOLOGY ASSESSMENT - OSMOSIS Planning of Experimental Procedures Background Knowledge: Osmosis is the diffusion of water over a membrane; it takes place due to differences in the concentration of water surrounding an object such as a plant or animal cell whose surface is comprised of a membrane, to the concentration inside the object. The rate at which osmosis takes place, which is what the assessment is investigating, is affected by a number of factors, of which one must be investigated and the others controlled in order to make the experiment a fair test. The following factors affect the rate of osmosis; one of these factors must be chosen for investigation in the experiment: 1: The temperature of the water in which the experiment is conducted. 2: The size of the water concentration gradient; i.e. the difference in the concentration of water between the solution surrounding the object and inside the object itself. 3:...

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 147,187 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk