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Fáilte & Welcome

Céad Míle Fáilte to all our readers, whether parent, student, teacher, past student or someone interested to find out about our fine College.

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The study of Science entails practical laboratory work (experiments) along with the study of theory. In the modern world where advances in Science and Technology are bringing great changes to our lives, the study of Science is particularly relevant to help people assess the implication of these developments.

The study of Science at Junior Certificate level involves the study of Biology, Chemistry, Physics and Applied Science.

Junior Certificate Science marks are distributed as follows:  

  • Coursework A - 10%    (Experiments and investigations specified in the syllabus) 
  • Coursework B - 25%    (2 specified investigations)
  • Terminal examination - 65%    (Section 1 - Biology / Section 2 - Chemistry / Section 3 - Physics)

    Science branches into 3 separate subjects for the Leaving Certificate:
  • Biology.
  • Chemistry.
  • Physics.

Coursework B
Student Investigations Each student is required to undertake two specified investigations in their third year and to submit a pro forma report on these for assessment. These additional investigations, based on the topics and learning outcomes in the syllabus, will be set by the examining body and will vary from year to year. These investigations account for 25% of the students final Junior Certificate grade and will require substantial time investment, by the student, during the year. Students will be notified of the investigation titles well in advance of the laboratory time they will be allocated to conduct the investigations, and this laboratory time-slot cannot be altered. DES deadlines for submission by the students of their report must be adhered to, and, in order to prevent missed deadlines, students are expected to exercise due diligence in the preparation, planning and conduct of their chosen investigations. Students who fail to do so will not be given additional time, and reports still incomplete come deadline, will be submitted as is.

2018 Junior Certificate Science Coursework B – Investigation Titles


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.


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.


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.


We have developed a blank copy of the Coursework for your use.  It differs slightly from the state examinations booklet in that we have specified how many resources you reference, how many safety aspects you must specify, etc...(Note - these numbers are a minimum).  A copy of a blank Coursework B booklet can be found here. 

Additional coursework B material can be found in the table below to help you with your projects.

Introduction to Investigations

Physics Sample Investigation Biology Sample Investigation
Chemistry Sample Investigation 2007 Marking Scheme - Coursework B


The following table contains a summary of all the JC Science chapters complete with appropriate past questions.  It is an excellent revision guide.

Biology 1 to 4
Biology 5 to 8
Biology 9 to 12
Biology 13 to 16

Chemistry 1 to 4
Chemistry 5 to 8
Chemistry 9 to 11
Chemistry 12 to 13

Physics 1 to 4
Physics 5 to 10
Physics 11
Physics 12 to 15

There is a shortage of people in Ireland with training in Science and Technology to meet our current needs. It is also important to remember that a Science subject is required at Leaving Cert level for some third level courses, e.g. Medicine, Pharmacy, Engineering, Food Science etc.

Students' Corner:

Jeonah Roperoz (1.1) recently suggested the following to remember the characteristics of life:

Real Elephants Noses Grow Really Really Massive

Respiration. Excretion. Nutrition.Growth. Reproduction.Responsivity.Movement

Useful websites:

Department of Education and Science sites:


Department of Education and Science

State Examinations Commission

National Council for Curriculum and Assessment

Scoilnet, the NCTE schools website

Teacher Support Network sites:


Second Level Support Service - Physics and Chemistry

Biology Support Service

Chemistry Support Service

Physics Support Service

Irish Science Teachers' Association - membership is   open to all teachers of science

The Association for Science Education (UK) -   membership is open to all teachers of science

National Science Teachers Assocation (USA) - membership   is open to all teachers of science

Resource sites:


Concept Cartoons offer excellent starting points for   discussion and thinking

Science Enhancement Programme - focuses on scientific   enquiry and practical work, scientific knowledge and conceptual   understanding, scientific research and developments

Drawing tool for both teachers and pupils

Puzzle makers

Crossword construction kit

Wordsearch construction kit

Hot Potatoes software - construct crosswords,   wordsearches, cloze test, matching exercises

Chemical Jigsaw Puzzle

PhET - Physics Education Technology, interactive   physics animations from the Unversity of Colorado

Freezeray Interactive Science Resources

Biology Corner

BBC Schools site - human body interactive games

Science photograph library - teachers can register,   then download and use the images, as long as credit for source is given

Science Smarties - a variety of assessments for each   topic of the Junior Cert. syllabus, from a TeachNet Ireland site

Science, Technology and Society sites


Ingenious Ireland

The science behind the news

Science and technology in action

Science trail at the science centre, Birr castle

General Interest sites:

URL: has a section on science

How Stuff Works

Natural History Museum of Ireland

Explore materials science

NASA Astrobiology Institute


Exploratorium - interactive with many DIY experiments

Timeline for events in science and mathematics

European Space Agency Human Spaceflight - teachers   can request a free copy of the Education Kit aimed at students aged 12-15


 First Years Attachments:

Energy Powerpoint - posters

Saoirse Ní Chuilleagáin's poster


Mock Powerpoints and Pdfs for Revision Purposes

Biology Definitions

Physics Definitions

Chemistry Definitions

Biology Revision Notes

Physics Revision Notes

Chemistry Revision Notes