planning an investigation(unit 3)

Question 1

what should you think about when choosing equipment

Answer 1

what is it for
how many do you need
how precise does it have to be
what size does it have to be

Question 2

if you are measuring 10cm3 of water what equipment should you use
10cm3 tube
100cm3 tube
25cm tube

Answer 2

10cm3 tube

Question 3

what are some appropriate techniques

Answer 3

what are you investigating
what methods are you using
do you have equipment available to carry out the technique
do you have the skills/knowledge to carry out the technique

Question 4

whats qualitative information

Answer 4

qualitative refers to the appearance or value of something, including examples such as colour observed, or whether bubbles are produced.

Question 5

what is quantitative data

Answer 5

quantitative data refers to the numerical measurements made, including examples such as volume and time measured

Question 6

whats an sop

Answer 6

standard operating procedure is an established procedure or method used to carry out a routine activity

Question 7

examples of sop

Answer 7

tit ration
handling of chemicals 
disposal of waste 
qualitative analytical tests 
preparing solution's