Quelpr
2 marksSense Organs and Coordination

CSEC Integrated Science · May/June 2015 · Paper 2 · Question 3(e)(i)

A driver suddenly brakes while speeding on a wet track.

Explain the role of the endocrine system as he performed this activity.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 3(a)(i)Define the term 'force'.[1 mark]
  2. 3(a)(ii)State TWO effects of a force on a body.[2 marks]
  3. 3(a)(iii)What is the unit of force?[1 mark]
  4. 3(b)Friction is an example of a force. Explain what is meant by a 'frictional force'.[1 mark]
  5. 3(c)(i)State ONE variable that is held constant during the experiment.[1 mark]
  6. 3(c)(ii)Explain why the car was able to travel further when the axle was oiled.[2 marks]
  7. 3(c)(iii)From the experiment on page 9, state ONE advantage of friction and ONE disadvantage of friction.[2 marks]
  8. 3(d)(i)Explain the effect of changing the car tyres on the centre of gravity of the body of the car.[1 mark]
  9. 3(d)(ii)Explain the effect of changing the car tyres on the stability of the body of the car.[1 mark]
  10. 3(e)(ii)Name ONE system in the body, other than the endocrine system, that plays an important role in the situation in (e)(i).[1 mark]

More practice: the rest of this paper · more Sense Organs and Coordination questions · all CSEC Integrated Science past papers