Pokročilá Slovní Zásoba pro TOEFL - Fyzika a chemie

a space that is utterly empty of all matter

vakuum, absolutní vakuum

(chemistry) to merge or be merged by a chemical bond

svázat se, spojit se

the different elements that form something or the arrangement of these elements

složení, kompozice

to heat a liquid and turn it into gas then cool it and make it liquid again in order to purify it

destilovat, čistit

to press two things together or be pressed together to become smaller

stlačit, komprimovat

(physics) an invisible substance that makes up most of the universe's mass, detectable only through its gravitational effects

tmavá hmota, temná hmota

(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter

antimateriál

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

katalyzátor, chemický katalyzátor

to increase the velocity of something

zrychlit, urychlit

any substance with a pH of more than seven that neutralizes acids creating salt and water

alkalita, zásada

a liquid that is capable of dissolving another substance

rozpouštědlo

a gas with a strong smell that dissolves in water to give a strongly alkaline solution

amoniak

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

dřevěné uhlí, uhlí

having an electric charge

nabité, elektrizované

a substance that permits electricity to pass through or along it

vodivost, vodivý materiál

a substance of small size and equal sides, formed naturally when turns to solid

krystal, krystaly

a particle with a net electric charge due to loss or gain of one or more electrons

ion

referring to the combined interaction of electric and magnetic fields, often associated with waves or radiation

elektromagnetický

the process or action of splitting a nucleus into two or more parts resulting in the release of a significant amount of energy

jaderná fúze, štěpení jádra

(physics) the reaction in which two nuclei join together and produce energy

jaderná fúze, fúze jader

to become gas or vapor from liquid

odpařovat se, odpařit

a light silver-gray metal used primarily for making cooking equipment and aircraft parts

hliník, hliník (česky)

a combination of two or more metals, creating a metal that is usually stronger or more resistant

slitina

a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring

měď

(physics) possessing the attribute of attracting metal objects such as iron or steel

magnetický

the resistance that two surfaces moving on each other encounter

tření, odpor

the gradual destruction of materials by chemical reaction, usually of metals

koroze, rez

(physics) the property of matter that gives it weight in a gravitational field and is a measure of its inertia

hmotnost, hmotnost (fyzika)

(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume

hustota

the speed at which something moves in a specific direction

rychlost, vztahová rychlost

a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past

olovo, těžký kov

a soft, black, and highly conductive material made up of carbon atoms that is commonly used in pencils and as a lubricant

grafit, grafit (v tužkách)

a heavy silver-colored and poisonous metal that has a liquid state in the ordinary temperature

rtuť

a chemical element and a silver-white metal used in making alloys

nikl

a gas with nearly no electrical charge that exists in the sun and other stars

plazma

a heavy radioactive metallic element used in producing nuclear energy

uran

containing or relating to a dangerous form of energy produced by nuclear reactions

radioaktivní, radioaktivní

related to heat or temperature, including how heat moves, how materials expand with temperature changes, and the energy stored in heat

termální, tepelný

remaining still, with no change in position

statický, nepohyblivý

produced artificially, typically based on its natural version

syntetický, umělý