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المفردات المتقدمة للاختبار TOEFL - الفيزياء والكيمياء
هنا سوف تتعلم بعض الكلمات الإنجليزية حول الفيزياء والكيمياء، مثل "vacuum"، "alkali"، "ion"، وما إلى ذلك، اللازمة لامتحان TOEFL.
مراجعة
بطاقات الفلاش
الهجاء
اختبار قصير
the different elements that form something or the arrangement of these elements
تركيب, تكوين
to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it
يقطر, تنظيف
to press two things together or be pressed together to become smaller
ضغط, يعصر
(physics) an invisible substance that makes up most of the universe's mass, detectable only through its gravitational effects
مادة مظلمة, مادة داكنة
(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter
مادة مضادة
(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
مسرع, محفز كيميائي
any substance with a pH of more than seven that neutralizes acids creating salt and water
قلوي, قاعدة
a gas with a strong smell that dissolves in water to give a strongly alkaline solution
الأمونيا
a hard black substance consisting of an amorphous form of carbon which is made by slowly burning wood and is used as fuel or for drawing
فحم, فحم نباتي
a substance that permits electricity to pass through or along it
موصل, مادة موصلة
a substance of small size and equal sides, formed naturally when turns to solid
بلورة, بلورات
a particle with a net electric charge due to loss or gain of one or more electrons
أيون
referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation
كهرومغناطيسي
the process or action of splitting a nucleus into two or more parts resulting in the release of a significant amount of energy
انشطار نووي, قسمة نووية
(physics) the reaction in which two nuclei join together and produce energy
الاندماج النووي, الاندماج الذري
a light silver-gray metal used primarily for making cooking equipment and aircraft parts
الألومنيوم, الألومنيوم (بالعربية)
a combination of two or more metals, creating a metal that is usually stronger or more resistant
سبيكة
a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring
نحاس
(physics) possessing the attribute of attracting metal objects such as iron or steel
مغناطيسي
the resistance that two surfaces moving on each other encounter
احتكاك, تَماس
the gradual destruction of materials by chemical reaction, usually of metals
تآكل, صدأ
(physics) the property of matter that gives it weight in a gravitational field and is a measure of its inertia
كتلة, الكتلة (فيزياء)
(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume
كثافة
the speed at which something moves in a specific direction
سرعة, سرعة الحركة
a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past
رصاص, معدن ثقيل
a soft, black, and highly conductive material made up of carbon atoms that is commonly used in pencils and as a lubricant
غرافيت, غرافيت (في الأقلام)
a heavy silver-colored and poisonous metal that has a liquid state in the ordinary temperature
زئبق
a gas with nearly no electrical charge that exists in the sun and other stars
بلازما
a heavy radioactive metallic element used in producing nuclear energy
يورانيوم
containing or relating to a dangerous form of energy produced by nuclear reactions
مشع, مشعة
related to heat or temperature, including how heat moves, how materials expand with temperature changes, and the energy stored in heat
حراري, ثيرمي
produced artificially, typically based on its natural version
اصطناعي, صناعي
