Grade-6 Science Ch-4 'Sorting Materials into Groups'.

The matter from which something is or can be made is called material.

• True

• False

Substances which do not mix with water and do not disappear in water even after stirring are called ___________.

• Soluble

• Insoluble

Materials that are shiny, or their freshly cut surfaces are shiny are called ___________ materials.

• Opaque

• Transparent

• Translucent

• Lustrous

An object having an uneven or irregular surface is said to be __________ object.

• Hard

• Soft

• Rough

The materials through which we are not able to see or light cannot pass through them are ___________ materials.

• Transparent

• Translucent

• Opaque

Non-metals are commonly soft, broken in to pieces on being beaten.

• True

• False

Book is a object and paper is the material used to make book.

• True

• False

Shoes is a material and leather is a object to male shoes.

• True

• False

Chalk can be completely dissolved in water.

• True

• False

Sugar is insoluble in water.

• True

• False