Why can't you put metal in a microwave? - Aaron Slepkov

Ted Ed Vocabulary

intensity

• (noun) cường độ

• /ɪnˈten.sə.ti/

• the strength of something that can be measured such as light, sound, etc.

reflect

• (verb) phản chiếu, phản xạ

• /rɪˈflekt/

• if a surface reflects light, heat, sound, or an image, it sends the light, etc… back and does not absorb it.

melt

• (verb) tan chảy

• /melt/ [B2]

• to turn from something solid into something soft or liquid, or to cause something to do this

kernel

• (noun) nhân, cốt lõi

• /ˈkɜː.nəl/

• the part of a nut that is inside the shell and can be eaten

oscillate

• (verb) dao động

• /ˈɑː.sə.leɪt/

• to move repeatedly from one position to another and back again, or to make something do this.

electromagnetic

• (adj) điện từ

• /ɪˌlek.trəʊ.mæɡˈnet.ɪk/

• Relating to the interrelation of electric currents or fields and magnetic fields.

spectrum

• (noun) quang phổ

• /ˈspek.trəm/

• the set of colours into which a beam of light can be separated, or a range of waves, such as light waves or radio waves → electromagnetic spectrum

polar molecule

• (noun) phân tử phân cực

• /ˈpoʊ.lɚ ˈmɑː.lɪ.kjuːl/

• a molecule with a distribution of electrical charge leading to one end being slightly positive and the other slightly negative.

frictional

• (adj) ma sát

• /ˈfrɪk.ʃə.nəl/

• the force that makes it difficult for an object to move along or through something → friction heat

cavity

• (noun) lỗ, hốc

• /ˈkæv.ɪ.ti/   

• a hole, or an empty space between two surfaces.

spiral

• (noun), adj dạng xoắn ốc, đường xoắn ốc

• /ˈspaɪə.rəl/

• a shape made up of curves, each one above or wider than the one before

outwards

• (adv) hướng ra ngoài, ra phía ngoài

• /ˈaʊt.wədz/

• going or pointing away from a particular place or towards the outside → spiral outwards

compartment

• (noun) ngăn, buồng

• /kəmˈpɑːt.mənt/

• a separate section of a structure or container in which certain items can be kept separate from others

bounce off

• (verb) nảy ra

• /baʊns ɒf/

• to hit a surface and then move quickly away from it, or to reflect.

penetrate

• (verb) thâm nhập

• /ˈpen.ɪ.treɪt/

• to move into or through something.

vaporize

• (verb) bốc hơi

• /ˈveɪ.pə.raɪz/

• to (cause to) change into a gas-like state

molecularly

• (adverb)

• /məˈlek.jə.lə.li/

• in a way that relates to molecules (= the simplest units of a chemical substance)

indistinguishable

• (adj) không thể phân biệt được 

• /ˌɪn.dɪˈstɪŋ.ɡwə.bl/

• not able to be seen as different or separate

nonetheless

(adv) tuy nhiên nevertheless; in spite of this

exposure

• (noun) sự phơi bày

• /ɪkˈspəʊ.ʒər/

• the state of being exposed to contact with something.

conductor

• (noun) chất dẫn (điện, nhiệt)

• /kənˈdʌk.təz/

• materials or objects that permit an electrical current to flow easily.

be bound to

• (phrase) chắc chắn là, chắc chắn xảy ra

• /bəˈbaʊn.toʊ/

• to be certain to, to be destined to.

atoms

• (noun) nguyên tử

• /ˈæt.əmz/

• the basic units of a chemical element.

absorb

• (verb) hấp thụ

• /əbˈzɔːb/

• to take in a substance or energy

aluminum foil

• (noun) giấy nhôm

• /ˈæl.jʊ.mɪ.niəm fɔɪl/

• a thin sheet of metal used especially for wrapping or covering food.

prongs of a fork

• (noun) ngạnh hoặc răng (của cái nĩa)

• /prɒŋz əv ə fɔːk/

• the pointed parts of a fork.

dissipate

• (verb) tiêu tan

• /dˈɪsəpˌeit/

• to disappear gradually, or to cause something to disappear gradually

plasma

• (noun) /ˈplæz.mə/

• a state of matter in which gases are ionized, containing approximately equal numbers of positively charged ions and negatively charged electrons.

coating

• (noun) lớp phủ

• /ˈkoʊ.tɪŋ/

• a layer of a particular substance spread over a surface for protection or decoration.