SORTING MATERIALS INTO GROUPS

Substances in which we can only see parsley are called

• Transparent

• Translucent

• Opaque

• None of these

A mirror is

• opaque.

• transparent

• translucent.

• flexible

Which type of the following materials is used for making the front glass (wind screen) of a car?

• transparent

• opaque

• translucent

• no idea

which of the following floats on water ?(choose two)

• stone

• metal

• oil

• plastic

Big bodies like ship does not sink because of ?

• It use the law buoyancy

• It has larger area

• It has magic power

A vendor sells white powdered salt mixed with white powdered stone. Which of these properties will help you detect his malpractice?

• Ductility

• Opacity

• Density

• Solubility

Kerosene does not dissolve in water. What are they called?

• Immiscible liquids

• Solute and solvent

• Solvent and solution

• Miscible liquids

Which of the following type of bodies form sharp shadows when placed in the path of light?

• Transparent

• Translucent

• Transparent and translucent

• Opaque

Abhi bought an object. It is made of a hard material. It is fragile (easy to break) and allows light to pass through it.What can the object be?

• Shoes

• Mirror

• Cricket bat

• Fish tank

which is the roughest materiel in the world ?

• stone

• diamond

• book

• old statues