Question

Classify the following into luminous and non-luminous objects. [4 marks]
A. Sun
B. Wood
C. Fireflies
D. Jellyfish
E. Paper
F. Chair

Answer 1

• Sun, fireflies and jellyfish will emit light of its own. So, they are luminous objects. [1 mark]
• We know that the Sun is the natural source of light while fireflies and jellyfish are living beings that emit light of their own. [1 mark]
• Wood, chairs and paper do not emit light. Hence, they become non-luminous. [1 mark]

• Luminous objects	Non-Luminous Objects
  A. Sun	B. Wood
  C. Fireflies	E. Paper
  D. Jellyfish	F. Chair

  [1 mark]