Electricity to a bulb in a torch is provided by the

An electric cell produces electricity from the

Sometimes an electric bulb does not glow even if it is connected to the cell.

This may happen if the bulb has

The bulb glows only when _____ flows through the circuit.

The framework of the bones and cartilages is called

Backbone is made up of many small bones called

Where 2 parts of our body seem to be joined like- elbow, shoulder, knee etc. is called

Additional parts of the skeleton that are not as hard as the bones and which can be bent are called

The type of a body that fish has is called

In ______ the stalks are beaten to free the grain seeds.

When the water is removed from the mixture of dirt the process is known as

If no more salt can be dissolved in the water the solution is now said to be.

_____ allows fine particles to pass through the holes of a sieve.

The conversion of water vapour into its liquid form is called

Flowing rainwater also takes the ____ layer of the soil away.

The water comes back on earth as

The water in the sea and oceans has many salts dissolved in it --- the water is

During ____, the animals living in the water also get carried away with the waters.