1 sci (v)
3rd Term Worksheet [2018 โ 19]
Subject โ Science
Class โ V
Name : Sec. :
Chapter โ 10
[Light and Shadows]
Keywords: [109]
Light : __________________________________________________________________________________
Lunar eclipse: ___________________________________________________________________________
__________________________________________________________________________________
Solar eclipse: ___________________________________________________________________________
__________________________________________________________________________________
Exercise: [110-112]
1. This is a diagram showing an eclipse. Label the sun, earth and moon on it. Is it a solar or a
lunar eclipse? [110]
2. Multiple Choice Questions: [110]
(i) Which of these is not a source of light?
(a) Sun (b) Moon
(c) Lighted candle (d) Stars
(ii) You will be able to see most clearly through something that:
(a) Allows all light to pass through it
(b) Reflects all light falling on it
(c) Absorbs all light falling on it
(d) Allows half the light to pass through and reflects the other half
(iii) Tracing paper is
(a) Transparent (b) Opaque
(c) Translucent (d) None of these
(iv) A lunar eclipse occurs when the
(a) Earth is between the sun and the moon
(b) Moon is between the sun and the earth
(c) Sun is between the earth and the moon.
(d) In all the above situations
3. Put โ for true, and ร for false: [111]
i) Shadows are formed because light travels in straight lines. ___________
ii) You cannot see objects that do not give off their own light. ___________
iii) We depend on light energy for our food. ___________
iv) Stars are not source of light.
v) A solar eclipse occurs when the shadow of the sun falls on the moon. ___________
vi) Most objects around us are sources of light.
