2. the standard unit of length is

which of the following is not an effect of force on an object

4. Natural source of light

5.wood and cardboard are

6. a candle is a

7. Moon is a

8. Shadows are longest in

9. when light falls on the surface of an opaque object. it bounces back. this is known as

10. Amount of material an object contains

11. Normal body temperature is

12. the hand of clock moves fastest among three hands

stars are non-luminous objects

Shadows are longest at noon

The objects that emit light and man made are known as

The objects give off light and not man made are known as

The main source of light on the Earth is

The __________ force always acts in the opposite direction of motion.

The force that pulls every object downwards, towards the centre of the Earth is called

A magnet can attract certain metals which are

The force that helps you to write is

Moving an object away from us is called as

Two opposite poles of a magnet attract each other

A metal used in the thermometer is

The standard units for measuring capacity are

Natural sources of light are

when light passes from one medium to other bending of light takes place. this is known as

Examples of transparent materials are

The mass of an object is measured by using

We can measure length of an object by using