قائمة كلمات المستوى A2 - العلم والعالم الطبيعي

the smallest unit of a chemical element that retains the properties of that element

an individual living thing, such as an animal, plant, fungus, or bacterium

made by a process that involves chemistry

the state of a substance that is neither solid nor liquid

the physical state in which matter has a fixed volume but takes the shape of its container

a substance that is firm and has a certain shape, not like gas or liquid

a substance from which things can be made

a particular kind of matter in gas, solid, or liquid form

relating to, produced by, or using electricity

having actual existence and not imaginary

done according to an organized method, plan, or system

a usually solid and hard substance that heat and electricity can move through, such as gold, iron, etc.

a light substance produced in a chemical process that can be formed into different shapes when heated

a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products

a valuable yellow-colored metal that is used for making jewelry

a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.

a chemical element present in all living things and in substances such as coal, graphite, and diamond

a colorless, odorless chemical element that occurs as a gas and is essential for the respiration of most living things

a hard material, usually made of minerals, and often used for building things

to study a subject carefully and systematically to discover new facts or information about it

a specific way or process of doing something, particularly an established or systematic one

a sample, showing what the rest of the data is typically like

to create or design something new that did not previously exist

someone who makes or designs something that did not exist before

to be the first person who finds something or someplace that others did not know about

the act of finding something for the first time and before others

something such as a hammer, saw, etc. that is held in the hand and used for a specific job

something that is known to be true or real, especially when it can be proved

something that explains an action or event

the application of scientific knowledge for practical purposes, especially in industry

information or facts collected to be used for various purposes

the act of directing your attention and energy toward a particular thing or task

the part of a vehicle that uses a particular fuel to make the vehicle move

anything that we can hear

a room or building equipped for scientific research, experiments, testing, or the production of chemicals or medicines

something that is caused by something else