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General Science
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Biological Sciences
50
Modern Materials
21
Atomic Structure
87
Energy Resources
43
Elements and Substances
76
Plant Photosynthesis and Respiration
52
Space and Solar System
230
General Science for Class 6
1155
General Science for Class 7
2197
General Science for Class 8
0
Basics of Electricity
28
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Solutions
Mineral water, fizzy drinks and tea are
solvents
solutions
solutes
mixture
Author:
rikazzz
Comment
Sound Waves
The higher the frequency, the more the
note of sound
depth of sound
amplitude of sound
wavelength of sound
Author:
rikazzz
Comment
Electric Circuits and Currents
Good electrical conductors slow down the movement of
electrons
protons
neutrons
photons
Author:
rikazzz
Comment
Electric Circuits and Currents
The flow of electrons in a wire is known as
electric current
magnetic current
ionic current
atomic current
Author:
rikazzz
Comment
Physical and Chemical Changes
‘Plastic’ is made of
amines
alkanes
hydrocarbons
alcohols
Author:
rikazzz
Comment
Feeding Relationships and Environment
Many animals in the desert hide themselves during day, to get rid of
predators
heat
rain
cold
Author:
rikazzz
Comment
Sound Waves
An example of longitudinal wave is
slinky spring
light
energy
water wave
Author:
rikazzz
Comment
Electric Circuits and Currents
In 1 minute, a 500W toaster consumes five times more energy than a
200W kettle
1000W iron
100W bulb
25W LED bulb
Author:
rikazzz
Comment
Electric Circuits and Currents
If we have two values, consumed electrical energy can be found. First, the period of use of appliance and second, the
resistance of appliance
length of wire of appliance
power of the appliance
mass of the appliance
Author:
rikazzz
Comment
Transportation in Plants
The food transported in the form of a sugar is known as
fructose
glucose
sucrose
galactose
Author:
rikazzz
Comment
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