Sound — Science STD 6 — Question

The longest and the strongest bone in the human body is …………… .

The process by which plants make their own food is called ……………… . ( photosynthesis , oxygen )

Heat is the cause of the change of the state of …………… .

When the substance cools, or …………… heat, it changes from gaseous to liquid and liquid to solid state.

………….. is the hottest planet.

As long as the object ……………… the sound is heard.

Metals can be converted into …………… by hammering.

Magnetism gets ………….. when a magnet is heated, thrown, knocked about or broken into pieces.

The kind of shadow an object forms depends upon the ………….. between the ………….., the object and the ………….. or the ………….. on which the shadow is formed.

It means that the two poles of a magnet cannot be ………….. from each other.