Grade : 4
Subject : Science
Topic : Materials
Different Types of Materials
1. Sort out materials as Opaque, Transparent and Translucent.
a.
_________________
b.
__________________
c.
__________________
d.
__________________
e.
___________________
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Grade : 4
Subject : Science
Topic : Materials
2. True or False a) Opaque Objects does not let light to pass through them. _____
b) Wood is an example of Transparent Object. _______
c) We can see very clearly through translucent objects. ______
d) Ice is a transparent object. ________
e) Transparent materials allow the most light to pass through it.
_______
f) Objects behind an opaque material cannot be seen at all. _______
3. Give two examples of each a) Transparent - _____________
b) Opaque - ______________
c) Translucent - ____________
4. State True or False i. The object must be opaque or translucent to make a shadow._______
ii. Translucent objects allow the light rays to pass through them easily.
_____
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Grade : 4
Subject : Science
Topic : Materials
iii. Battery is an example of translucent object. _________
iv. Tissue paper is an example of transparent object. _______
v. Opaque materials forms shadow by blocking the light. ________
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http://www.etutorworld.com
Grade : 4
Subject : Science
Topic : Materials
Answer Key:
1. a) Opaque
b) Translucent
c) Transparent
d) Opaque
e) Transparent
2. a) True
b) False
c) False
d) True
e) True
f) True
3. Transparent – glass, bottle
Translucent – colored glass bottle, plastic bag
Opaque – book, hat
4. i) True
ii) True
iii) False
iv) False
v) True
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© COPYRIGHT 2017 eTutorWorld Corporation, 6594 ElliesWay, Fairfax Station, VA 22039, USA, ALL RIGHTS RESERVED
http://www.etutorworld.com