Influenced by a lower 2.3 A survey was carried out a local school. The findings of the survey detailing the nutritional content of
the learners breakfasts and the learners' concentration spans are given in the table below.
SUGAR
LEARNER
NAME
CONCENTRATION
SPAN
PROTEIN
CARBOHYDRATES
%
Jamie
1 hour
65
15
20
Sipho
5
3 hours
75
20
Stefan
65
30 minutes
5
30
Thembi
20
2 1/2hours
40
40
Benny
0
4 hours
85
15
Daily, nutritional content
Meerne breaerasest and the learners'?
centration Spans.
(2)
2.3.1 Provide a hypothesis fg the above investigation
2.3.2 What advice would you give to Jamie in order to improve his concentration
span at school?
2.3.3 State THREE planning steps for this investigation.
(2)
(3)
2.4
Discuss the special case of water in terms of its structure and properties.
(10)
2.5
Tabulate TWO differences between lonic bonds and Covalent bonds
(5)