NCERT Question-Answer Solution for Class 6 Science Chapter 6 – Materials Around Us
Complete NCERT Question–Answer Set for Class 6 Science (Curiosity Textbook) – Chapter 6: Materials Around Us
Class 6 Science NCERT Solution – Chapter 6 Materials Around Us
Materials Around Us – Full NCERT Question–Answer Set (CBSE Class 6 Science – Curiosity Book)
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Q1. Why are storage containers usually transparent?
Answer: So that the contents inside can be easily seen without opening them.
Q2. Unscramble and match:
(i) T R E M A T → MATTER → Occupies space and has mass
(ii) U L S B E L O → SOLUBLE → Mixes completely in water
(iii) T N E R P A S N A R T → TRANSPARENT → Objects can be seen clearly
(iv) E R U S T L → LUSTRE → Shiny surface
Q3. State True or False. Correct the false statements.
(i) Wood is translucent while glass is opaque.
Answer: False. Wood is opaque, glass is transparent.
(ii) Aluminium foil has lustre while an eraser does not.
Answer: True.
(iii) Sugar dissolves in water whereas sawdust does not.
Answer: True.
(iv) An apple is matter because it occupies no space and has mass.
Answer: False. An apple is matter because it occupies space and has mass.
Q4. Which materials are best for making chairs?
Answer:
Hardness – Wood, metal
Lightweight – Plastic
Not cold in winter – Wood
Easy to clean – Plastic, metal
Q5. Suggest materials for waste containers:
(i) Food waste – Plastic or steel bin
(ii) Broken glass – Thick plastic or metal bin
(iii) Wastepaper – Cardboard or plastic bin
Q6. Air is ______ and wooden door is ______.
Answer: Transparent, opaque.
Q7. Material X dissolves in water and is hard. Material Y is soft and insoluble. Give examples.
Answer:
X – Salt or sugar (hard + soluble)
Y – Clay or rubber (soft + insoluble)
Q8. Who am I?
(a) I have lustre – Metal
(b) I can be easily compressed – Sponge
(c) I am hard and soluble in water – Salt
(d) You cannot see clearly through me – Butter paper
(e) I have mass and volume but you cannot see me – Air
Q9. Make two soluble pairs.
Answer:
Sugar + water
Vinegar + water
Q10. Make two insoluble pairs.
Answer:
Oil + water
Wheat flour + water