Explain what is density?
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What is Insulators ?
WHICH ONE FEELS COLDER METAL SURFACES OR WOODEN SURFACES?
Explain what is meant by 4th dimension?
how does a medicine is filled in dropper
What is the weight of automotive oil?
Why in cold countries, the water at the surface freezes and in the inner portion it is in the sate of water ?
Explain about Cosmic rays?
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
what are the Newtons principles? what is mean by gravitational force? what is mean by space technology? what is the use in space technology?
What is larger the force the earth exerts on you or the force you exert on the earth?
What is refraction of light?
While swimming, why do we press the water backward with our arms and hands ?