Candidates carrying out investigations for coursework B are required to report on two of the following three investigations in the relevant Reporting books which will be given to you by your teacher. These investigations are worth 25% of the total marks for your Junior Cert Examination.
2018 Junior Certificate Science Coursework B – Investigation Titles
Biology
Investigate and compare the quantitative effects of changing
(a) concentration of solution,
(b) type of solute used
on the change in mass of a sample of potato placed in distilled water, salt solution and sugar solution.
Chemistry
Investigate and compare the quantitative effects of changing
(a) applied voltage,
(b) concentration of sulfuric acid
on the rate of production of either hydrogen or oxygen gas during the electrolysis of acidified water.
Physics
Investigate and compare the quantitative effects of changing
(a) hair colour,
(b) the usage of shampoo or similar commercial hair treatments
on the tensile strength of hair taken from the human head.
2018 Junior Certificate Science Coursework B – Investigation Titles
Biology
Investigate and compare the quantitative effects of changing
(a) concentration of solution,
(b) type of solute used
on the change in mass of a sample of potato placed in distilled water, salt solution and sugar solution.
Chemistry
Investigate and compare the quantitative effects of changing
(a) applied voltage,
(b) concentration of sulfuric acid
on the rate of production of either hydrogen or oxygen gas during the electrolysis of acidified water.
Physics
Investigate and compare the quantitative effects of changing
(a) hair colour,
(b) the usage of shampoo or similar commercial hair treatments
on the tensile strength of hair taken from the human head.