مذكرة ساينس (science) للصف الخامس الابتدائى رائعة جدا
Light reflaction
It is the returning back (bouncing) of light when it falls on a plane mirror.
Light refraction
The changing of the direction of light ray when it passes through two different transparent medium
Light separation
Give reasons:1- Formation of spectrum colors Due to light separation into 7 spectrum colors
Complete:-
1- The main source of light on earth is ................ .
2- light travels in ……………………..…lines.
3- …………………………...is a dark area which is formed when light falls on an opaque objects.
4- Light is a form of………………………....
5- ………………………….. Is the light energy that can be seen
6- ……………………………..is the main source of light on the earth.
7- Formation of …………………through narrow holes and formation of ………….
are form the applications of traveling light in straight lines.
8- The material which allows most light to transmit through is called…………..…………
9- light can easily transmit through ………………………..……and …………………………
10- the material which we can see objects clearly behind it is called………………..……….
11- the clear glass in a window is an example of …………………….……… materials.
12- ………………. Lets some light pass through and we can see objects through it less clearly.
13- cartoons and ……………….………. are examples of ………………………..… materials.
14- light bouncing when it falls on an objects is called …………………..…………
15- in the ……………………………, the light rays reflected directly in one direction.
16- in the …………………..……, the light rays reflected and scattered indifferent directions.
17- the change in the direction of light rays when they pass through the
separating surface between two transparent media is called……………………..………
18- the pen that is put in water seems broken due to ………………………
19- when a light ray passes from glass rod to air , it …………………………
20- white light can split into ……………………..colors that are called………………………
21- ……….……. Is a phenomenon produced by the separation of white light into seven colors during raining.
23- The light that can be seen is called ........................... .
24- Image formed in pin-hole box is ………………and …………………….. minimized and inverted
25- Moon reflects ……….……………..light falling on its surface .
26- From sources of light …………………………...and ………………………………
27- The darkened area behind opaque bodies is called………….…………
28- The semi transparent substance is called ....................... .
29- When light reflects from plane mirror is ....................... while reflection from paper is called.............
30- The pencil in water glass is seen broken due to light …………………...... .
31- The light spectrum contains ...... …………….colors.
32- The spectrum colors appear due to light ………................. .
33- .………………..is a transparent Material , While …………………..is a translucent Material , and …………………………...is an Opaque Material
34- ………………………….is formed when an ……………………………..body blocks the light
22- the glass prism is used to separate the ………………. Light into seven colors called….………
Give Reasons
1. Formation of inverted image through narrow holes .
2. Moon is considered as a source of light
3. The pencil is seen broken in water glass.
5. We can't see in dark.
6. The Image in narrow holes is inverted.
7. Things can be seen clearly under glass.
8. Formation of shadow.
لتحميل المذكرة من هنا
https://drive.google.com/file/d/16IQgg6nnlb_FULkbOgqUWk0vWrn0UB-Q/view?usp=sharing
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