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WorksheetsSimple Machines, Light, and Magnetism
Total questions: 25
Worksheet time: 17mins
4. Which are the two types of mechanical energy?
A. thermal and kinetic
B. potential and kinetic
C. potential and thermal
D. kinetic and electromagnetic
Electricity can be used to create a magnet
True
False
The substances which have the property of attracting iron , are called
Magnetite
Lodestone
Magnets
None of them
If you placed the south pole of one bar magnet near the south pole of another bar magnet, the two magnets would __________ each other.
attract
repel
The Earth is a giant magnet.
True
False
An example of natural magnet is
iron
lodestone
steel
none of the above
Poles always exist in pairs .
False
True
Like poles _________ each other
attract
repel
Moon is a _____________ body
luminous
non-luminous
The darkest portion of the shadow is called ...
( all in small or capital only )
(a)
In a pin hole camera the image is ?
inverted
as it is
Which eclipse is it ?
Annular solar eclipse
Total solar eclipse
Lunar eclipse
Torch is a
Natural source of light
Artificial source of light
Nail is an example of ?
( type the answer in CAPITAL or small only )
(a)
Which is correct ?
We should clean the machines to keep them free from dust
To avoid rusting of machines we shall paint them
We shall lubricate machines to avoid wear and tear
All the above are correct
