WorksheetsFifth Grade - Desgin Mr. ASHRAF MOSA MOHAMMED
Total questions: 31
Worksheet time: 31mins
.................... is a form of energy that causes vision.
Seven Visible Spectrum
Light
Light reflection
Light refraction
............................... is the part of light that can be seen.
Visible Spectrum
Light reflection
Shadow
Light refraction
Artificial Sources of light
Electric lamps
Candles
Kerosene lamps
The sun
Properties of light
Light travels in a straight lines
Light transmits ( pass ) through different materials
Light reflection
Light refraction
Light separation ( Splitting )
The image formed In the pin hole camera is
minimized
Inverted
minimized - Inverted .
Upside down
.............................. is a darkened area that formed when the light falls on an opaque object.
Light
Shadow
Visible spectrum
Light separation
Complete:-
The nearer object to the light source has the ……………… shadow
(a)
The material which allows most of light to pass through it, and objects can be seen clearly.
Opaque materials
Semi-transparent materials
Transparent materials
Translucent materials
Give reason:-
The Formation of shadow ?
Because light travels in .
Because light travels in zigzag lines.
Because light travels in curved lines.
The material which allows some of light to pass through it, and objects can be seen less clearly.
Opaque materials
Semi-transparent materials
Transparent materials
Translucent materials
The material that doesn’t allow light to pass through it, and objects can't be seen.
Opaque materials
Semi-transparent materials
Transparent materials
Translucent materials
............... It is the bouncing (returning back) of light rays when falls on a surface or a mirror.
Shadow
Light Refraction
Light Reflection
Light
The factors necessary for light reflection
A light source
A reflecting surface
1- A light source . 2- A reflecting surface .
It’s the reflection of light on a smooth surface and light rays reflected in one direction
Irregular reflection
Regular reflection
Visible spectrum
Shadow
It’s the reflection of light on a rough surface and light rays reflected in different direction
Irregular reflection
Regular reflection
Visible spectrum
Shadow
Complete :
The distance between the body and the mirror (a) the distance between the image and the mirror
.............. It is the change in the direction of light rays when travels from transparent medium to another due to the change in the light speed.
shadow
Light reflection
Light refraction
Shadow
Complete :
Speed of Light through air is (a) than Speed of Light through water
White light separates into .......... colors called (Spectrum colour) by glass prism.
Seven
Eight
Ten
Nine
.................... is A beautiful phenomena occurs in the sky during raining.
Light reflection
Separation of light
Rainbow
Light refraction
coloured transparent object
It absorbs all light colours and allows its own colour only to pass through it
It reflects all light Colours
It absorbs all light light colours
It absorbs all light colours and reflects its own colour
White Coloured opaque objects
It absorbs all light colours and allows its own colour only to pass through it
It reflects all light Colours
It absorbs all light light colours
It absorbs all light colours and reflects its own colour
Black Coloured opaque objects
It absorbs all light colours and allows its own colour only to pass through it
It reflects all light Colours
It absorbs all light light colours
It absorbs all light colours and reflects its own colour
Coloured opaque objects
It absorbs all light colours and allows its own colour only to pass through it
It reflects all light Colours
It absorbs all light light colours
It absorbs all light colours and reflects its own colour
They are coloured lights that are produced by mixing two primary coloured lights.
Primary coloured lights
Secondary coloured lights
Visible spectrum
Shadow
They are coloured lights that impossible to be produced by mixing two of the other coloured lights.
Primary coloured lights
Secondary coloured lights
Visible spectrum
Shadow
Complete :
The Mixing of the three Primary colours form a (a) light
Complete :
When you Look at a red apple Through a green transparent Glass. It appears (a)
Complete :
Mixing the red color with the blue colored produce (a)
Complete :
Mixing the Green color with the blue colored produce (a)
ما هو تقييمك لأداء الإمتحان التفاعلى
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