How will you explain presence and absence of motion?
Leaves flying through air

How will you explain presence and absence of motion? A stone lying on a hill

Answer the following : How will you explain the statement 'we cannot see the objects in a dark room ' ?

Use your brain power: Mechanism of firing of a rocket. How will you explain these with the help of Newton’s third law of motion?

In which of the following examples can you sense motion? A. The flight of a bird B. A stationary train C. Leaves flying through air D. A stone lying on a hill

Use your brain power: While hitting a ball with a bat, the speed of the bat decreases. How will you explain these with the help of Newton’s third law of motion?

How would you explain the fact that the first ionization enthalpy of sodium is lower than that of magnesium but its second ionization enthalpy is higher than that of magnesium?

How would you explain inverted pyramid of biomass in oceanic ecosystem?

How will you explain following with the help of Newton's third law of motion ? Mechanism of firing of a rocket.

Water molecule is very polar.Polar end of molecule attracts opposite charges on another water molecule (actslike magnet). How will you explain this property of water with reference to upward movement of water? Comment on the, upward movement of water given the intermolecular hydrogen bonding in water.

How will you do this ? Explain that magnet has a certain magnetic field.