Formative Practice 1.3 – Science Form 1 Chapter 1

Question 1:
List five physical quantities that you have studied. What is the S.I. unit and the symbol used for each of the quantities?

Answer:
Length – metre, m;
Mass – kilogram, kg;
Time – second, s;
Temperature – kelvin, K;
Electric current – ampere, A

Question 2:
Convert the values below.
(a) 0.13 m = _________ cm 
(b) 18 000 mg = __________ kg
(c) 4 m = _________ μm
(d) 24 000 g = __________ kg
(e) 0.006 A = __________ mA

Answer:
(a) 13 cm 

(b) 0.018 kg

(c) 4000000 μm

(d) 24 kg

(e) 6 mA