(a) What is the apparatus shown below called? State its purpose. (b) State the use of: (i) Capillary tube (ii) Scale (iii) Water reservoir (c) What happens to the movement of air bubbles if the apparatus is kept: (i) in sunlight; (ii) in darkness; (iii) in front of a fan? [5 MARKS]

(a) What is the apparatus shown below called? State its purpose. (b)

1.	(a) What is the apparatus shown below called? State its purpose. (b) State the use of: (i) Capillary tube (ii) Scale (iii) Water reservoir (c) What happens to the movement of air bubbles if the apparatus is kept: (i) in sunlight; (ii) in darkness; (iii) in front of a fan? [5 MARKS]
Answer» (a) What is the apparatus shown below called? State its purpose. (b) State the use of: (i) Capillary tube (ii) Scale (iii) Water reservoir (c) What happens to the movement of air bubbles if the apparatus is kept: (i) in sunlight; (ii) in darkness; (iii) in front of a fan? [5 MARKS]