The angle of which a ray of light reaches the normal line is called the ​ (a)   . The angle of which the ray of light is reflected from the normal line is called the ​ (b)   . This means that the light reaching the mirror is the ​ (c)   , while the light leaving the mirror is the ​ (d)  

The ​ (a)   , fire, lamp, flashlight and candle is a ​ (b)   because their light ​ (c)   directly into our ​ (d)   .

Glass, ​ (a)   and shiny metals can ​ (b)   a lot of ​ (c)   .

We can ​ (a)   the Moon ​ (b)   because the ​ (c)   from the ​ (d)   .

The Moon​ (a)   a light source. It ​ (b)   like a ​ (c)   in the ​ (d)   .

​ (a)   cannot ​ (b)   through ​ (c)   materials.

There is no reflection of someone from the door because the door is ​ (a)   material. It ​ (b)   reflect light. It ​ (c)   light.

​ (a)   materials ​ (b)   the best shadow.

The materials to build our homes are made of ​ (a)   materials because sometimes we need ​ (b)   . Other parts made of ​ (c)   materials because they ​ (d)   to pass through them, so we can ​ (e)   everything clearly in our homes.

A shadow will get ​ (a)   when we put an object ​ (b)   or away from the light ​ (c)   .

​ (a)   is the amount of visible light present.​

When the rain droplets are ​ (a)   the ​ (b)   into all the ​ (c)   there is a ​ (d)   .

The ​ (a)   the number of the ​ (b)   the higher its ​ (c)   .

Heat is ​ (a)   that makes things ​ (b)   . We cannot ​ (c)   but we can ​ (d)   it.​

Convection is the heat ​ (a)   that happens in ​ (b)   and ​ (c)   ​ .

The examples of convections are the event of ​ (a)   breeze, ​ (b)   water, a spiral ​ (c)   spins and the work of cooler ​ (d)   in a building

Wet clothes will ​ (a)   if we put them in the ​ (b)   because they ​ (c)   heat ​ (d)   the Sun.

When an object loses ​ (a)   , its temperature ​ (b)   .

Railways have ​ (a)   between them to allow them ​ (b)   when temperature ​ (c)   .

Materials that conduct heat are called ​ (a)  

Matter can ​ (a)   in state when it ​ (b)   or ​ (c)   heat

Most liquids are ​ (a)   conductor, except ​ (b)  

The body of cooking pan is mostly made of ​ (a)   and the handle is made of ​ (b)   .The body is needed to transfer ​ (c)   well so the use of metal is the best choice . Plastic is a good ​ (d)   to use for the handle of a cooking pan to ​ (e)   our hand from getting burnt.

The material that is not conductor is ​ (a)  

The material that is not Insulator is ​ (a)