Cardiff International School Dhaka (CISD)
Class Test Revision Worksheet
Class: 4, Section: A
Subject: Science
Time: 40 minutes
Name: .........................................................................................................................................
Class: ....................Roll#........................Sec: ..................Teacher: Ms Dalia Rodrigues
Q. 1. Write the following objects in the appropriate column:Stone, clean water, frosted glass,
tracking paper, stem of a plant, tissue paper, clean glasses, shoes, wood, coloured polythene bag.
Transparent object
Translucent objects
Opaque objects
2. Fill in the blanks:
a) Light travels in a …………………… line in the form of rays.
b) The blocking of sunlight by the moon as the moon passes between the sun and the earth
is called a …………………………
c) The earth is a ………………………… object.
d) Materials which do not let light pass through them are called …………………………
e) Materials which let some light pass through them are called …………………………..
f) The earth's shadow causes the moon to get darker during a ……………………………
Q.3. Choose the correct answer:
A. When Earth's shadow blocks the moon, it is called a
a.
solar eclipse
b.
lunar eclipse
c.
axis
d.
phase
B. When one object passes through the shadow of another it is a?
a.
Eclipse
b.
Crater
c.
Axis
d.
Reflection
C. People who stand in the moon's umbra, the darkest part of its shadow, experience a
a.
Partial lunar eclipse
b.
a partial solar eclipse
c.
a total solar eclipse
d.
a total lunar eclipse
D. At which phase of the moon do solar eclipses occur?
a)
full
b)
new
c)
first quarter
d)
third quarter
E.A ________________________ eclipse occurs at a full moon when Earth is directly between
the moon and the sun.
a) lunar
b) solar
Q.4. Matching
a) Umbra
b) Solar Eclipse
c) Lunar Eclipse
d) Partial Eclipse
i. The shadow caused by an
eclipse.
ii. You can still see part of the
sun or moon.
iii. The Earth is between the
Sun and the Moon
iv. The Moon is between the
Earth and the Sun,
blocking out the sun.
Q. 5. Draw a diagram of a lunar eclipse and show the positions of the Sun, Moon and Earth.
Q. 6. Why do the length and position of the shadow of an object change during the day?
Ans: ………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………
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