الرئيسية
»
الاختبارات
»
Concept 1
Concept 1
نسخ
تكرار
اختبار خاص بالمعلم:
Heba abdelzaher
إسمك
صفك
مدة الاختبار:
0:00:10
الوقت المتبقي:
-
:
-
:
-
1
Plant take ......from air to make own food
Water
Carbon dioxide
Oxygen
2
Formation of shadow when light falls on an object is due to...........
formation of images through narrow holes.
transmitting light through transparent materials.
all the previous reasons,
travelling of light in straight lines.
3
The materials which let all light pass through are called........... materials.
transparent
translucent
opaque
semi-transparent
4
All the following are examples of semi-transparent materials except..........
tissue paper.
frosted glass cup.
foil paper.
frosted light bulbs.
5
.......... Is not a source of light as it reflects the sunlight.
The meteor
The planet
The moon
The star
6
We can see objects due to...........
light refraction.
splitting of light.
absorption of light.
light reflection.
7
Mixing the seven light spectrum colours gives the........... Light
black
blue
white
green
8
The second spectrum colour is..........
orange.
violet.
red.
green.
9
If you put an object at a distance of 20 cm. in front of the mirror, the distance between the image and the mirror equals...........
30
10
25
20
10
A rainbow is formed when...........
sunlight passes from air to water, then its splitting into seven colours.
sunlight passes from the drops of rain water to air, then its splitting into seven spectrum colours.
sunlight passes through glass.
sunlight doesn't pass through any medium.
×
بلاغ عن خطأ
مقدم البلاغ
طالب
معلم
السؤال
تفاصيل الخطأ
إرسال
إلغاء
×
مشاركة
#
#
نسخ الرابط