Science True Or False.[1 Marks Each]

An apple is a matter because it occupies no space and has mass.

Sugar dissolves in water whereas sawdust does not.

Aluminium foil has lustre while an eraser does not.

Wood is translucent while glass is opaque.

Glucose is insoluble in water

Oil is insoluble in water

Sand settles down in water

Spoon is opaque, while glass is transparent

Chalk dissolves in water

Some materials dissolve rapidly in water and some do not dissolved.

Sponge is hard.

Mirror is transparent.

Oil is miscible with water.

The space occupied by matter is its volume.

Materials which can be compressed or scratched easily are hard, while other materials which are difficult to compress or scratch are soft.

We may use different materials for making different parts of an object.

We can see clearly through translucent things.

Chair, table, book-shelf, stool are grouped together because all these are made of wood.

Grouping is done on the basis of similarities in things.

Sponge is hard.

A wooden box is opaque.

Mirror is transparent.

Glass is transparent.

We can see clearly through translucent things.