For a GCSE assessed practical, planning, conclusion and evaluation can still be assessed, even if a pupil needs help to obtain readings. An alternative experiment can be carried out to assess their ability to take independent readings. For a practical investigation, many schools will issue each pupil with a planning sheet. These are easily adapted for partially sighted pupils, particularly if they include boxes to fill in at relevant stages of planning. If they remain similar in format to the ones used by their classmates, this will again help to establish the feeling of belonging.
Food colouring can help to improve contrast in liquid level experiments.
Use of a light probe is a skill which pupils will develop over a number of years. For example, they will learn that light from a window or lamp has to pass through a material in order for the light probe to detect a change. Thick black cloth tape has also been successfully used for securing equipment. Dymo tape has proved useful for marking up equipment, particularly the braille dymo gun. A talking voltmeter is still available from Tandy.