altitude
ْآلْتِتْيودارتفاع/تعالي
اسم
height
The airplane’s altitude is 30,000 feet.
الدرس 1 · 41 كلمة
اضغط أي بطاقة لسماع نطق الكلمة — وتحت كل كلمة نطقها بالحروف العربية ومثال من المنهج.
atmosphere
آتْمُوسْفَيرالغلاف الجوي
اسم
air surrounding the earth
The earth’s atmosphere is being polluted by smog.
atmospheric
ْآتْمُوسْفَيرِكجوي
صفة
of the atmosphere
Atmospheric pressure changes with altitude.
atom
ُآت ْمذرة
اسم
small particle
An atom has either a positive or negative charge.
barometer
ْبُرومِيتَرمقياس الضغط الجوي
اسم
device that measures atmospheric pressure
When the barometer has a low reading, it may rain.
be composed of
يتألف من/يتكون من
فعل
be made up of
Water is composed of hydrogen and oxygen.
carbon dioxide
ْدَايوكْسَايِدثاني أكسيد الكربون
اسم
gas produced in respiration
We exhale carbon dioxide.
compress
ْكُومْبِرِسيضغط/يكبس
فعل
press together
Most gases can be compressed.
consist (of)
كُنْسِسْتْ أوفيتركب من/يتألف من
فعل
be made up of
Atoms consist of protons, electrons, and a nucleus.
convert
ْكُنْفَيرْتيتحول/يبدل/يحول
فعل
change
Plants convert carbon dioxide to oxygen.
element
ْإلِيمِنْتعنصر
اسم
a basic or simple substance; part of a whole
Water consists of the elements hydrogen and oxygen.
evaporate
ْإيفَابُرَيتيتبخر
فعل
change to vapor
The water evaporated in the hot sun.
exert
ْإقْزَيرْتيبذل جهدآ/يرهق نفسه/يمارس
فعل
use strength, skill, etc.
He exerted pressure on the gas pedal with his foot.
exhale
ْإكسْهَيليزفر-(زفير)/يتنهد
فعل
release air from lungs
Humans inhale oxygen and exhale carbon dioxide.
exist
ْإقْزِسْتيكون/يوجد/يتوافر
فعل
to be
Life exists on the land and in the sea.
expand
ْإكسْبَينديمتدد/يمتط/يتوسع
فعل
become larger
The population of the world is expanding.
float
ْفلوتيطفو/يعوم
فعل
suspend on fluid
Wood floats in water.
form
فورْمصيغة لغوية/بنية/شكل
اسم
arrangement/shape
That cloud has the form of an animal.
gas
غاز
اسم
invisible substance
Hydrogen is a gas.
hydrogen
ْهَيِدْروجِينهيدروجين
اسم
gaseous element
Hydrogen is an explosive gas.
inhale
ْإنْهَيليشهق/يستنشق الهواء
فعل
draw air into lungs
Humans inhale oxygen and exhale carbon dioxide.
layer
ْلَيَرطبقة
اسم
single thickness of matter
The atmosphere has many layers. The cake has two layers.
lung
ْلُنْقرئة
اسم
organ used in respiration
When we inhale, we fill our lungs with air.
matter
ْماتَرمادة/مسألة/جوهر/المحتوى
اسم
basic substance of things
Everything consists of matter.
melt
ْمِيلْتيذوب/يميع/ينصهر
فعل
change from solid to liquid
The ice cream melted in the hot kitchen.
molecule
ْمولِيكْيُولجزيء/مثقال ذرة
اسم
smallest part of an element
A molecule consists of one or more atoms.
nitrogen
ْنايِتْروجِننيتروجين
اسم
gaseous element
The atmosphere is composed mainly of nitrogen.
occupy
أوكِيبَاييحتل/يستولي
فعل
take up space
Saeed occupies the first seat on the right.
oxygen
أوكْسُوجِنأكسجين
اسم
gaseous element
Oxygen is a highly flammable gas.
particle
ْبَارْتِيكَلجسيم/جزيئة/ذرة من غبار
اسم
small amount
A small particle of dust fell on the table.
press
ْبِرِيسيضغط على/يدفع بقوة/يظايق
فعل
exert force
Press the button to start the machine.
sea level
ْسِي لِيفَلمستوى سطح البحر
اسم
level of sea's surface
Altitude is measured as height above sea level.
solid
ْسُولِدجامد/مادة صلبة
اسم
not a liquid or a gas
Most elements are solids.
space
ْإسْبَيسفضاء/فراغ
اسم
universe; empty area
There are many satellites in space.
state
ْإسْتَيتحالة/وضعية
اسم
condition
My car is in a terrible state. Nothing is working.
steam
ْإسْتِيمبخار
اسم
water vapor
Boiling water produces steam.
surround
ْسُرَاوُنْديحيط ب/يلتف حول
فعل
enclose
The fence surrounded the property.
tiny
تايْنِيصغير جدآ
صفة
small
The baby only ate a tiny portion of food.
vacuum
ْفاكْيُومفراغ/خلاء
اسم
space completely empty
Life cannot exist in a vacuum.
vapor
ْفِيبَربخار/دخان
اسم
substance in gaseous state
Steam, mist, and fog are types of vapor.
volume
ْفولْيُمحجم/سعة/مقدار/جهارة الصوت
اسم
cubic space/loudness
The volume of that storage tank is 200,000 cubic feet.