General Science for Class 7

Atoms Molecules and Ions
Rutherford’s Model explains that atom has a nucleus which is surrounded by
protons
electrons
neutrons
nuclear energy
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Importance of Water
Polar ice caps are found near the
East and West poles
East and North poles
North and South poles
West and South poles
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Heat Transfer
Nowadays, instead of glass, manufacturers are using
double sided metal
single sided metal
shiny metal
dull metal
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Energy Resources
A moving car releases energy during process of burning
petrol
water
diesel
coal
Author: rikazzz Comment
Forces Effects
Forces can easily change the
    direction of an object
    gravity of an object
    density of an object
    volume of an object
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Sound Waves
To shape a metal
ultrasound can be useful
gamma-rays can be useful
x-rays can be useful
infrasound can be useful
Author: rikazzz Comment
Investigating Space
Compared to an optical telescope, the radio telescope should be
small in size
same in size
large in size
tiny in size
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Mixtures
Mud, water and other substances form
mud
clay
sand
cement
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Dispersion of Light
When light enters a denser medium, it bends
away from the normal
towards the normal
away from the plane
towards the plane
Author: rikazzz Comment
Electric Circuits and Currents
An ammeter which is easy to read is
analog
digital
hybrid
mechanical
Author: rikazzz Comment

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