For at tilføje mere, indtil det er fyldt
Det engelske phrasalverbum, to fill up , kan være transitivt eller intransitivt.
Phrasal verbs can be extremely tricky for learners of English. The reason for this is twofold: there are lots of them and their meaning is not always obvious from the words that make them up. To make things even more difficult, phrasal verbs can have multiple meanings, adding to the headache for learners.
A phrasal verb is made up of a main verb with an attached preposition or adverb. An example of a phrasal verb is run into. Where run is the main verb and into is the preposition. Phrasal verbs can be separated into two groups, intransitive and transitive verbs. Intransitive phrasal verbs do not have a direct object: go out, for example, "I want to go out tonight". Transitive phrasal verbs have a direct object and they can be split up into two further categories: separable and inseparable. With separable transitive phrasal verbs, the verb and the preposition can be split up. For example, both “turn off the radio” and “turn the radio off” are both correct. Inseparable phrasal verbs cannot be split up. For example, “I’ll look after you” is correct, but “I’ll look you after” is not.
Using Storyboard That you can prepare a visual dictionary of phrasal verbs quickly and easily. Even better than that, have your students create their own phrasal verb visual definitions.
{Microdata type="HowTo" id="9799"}Potentiel energi er den lagrede energi, en genstand har på grund af dens position eller tilstand. For eksempel har en bold øverst på en bakke potentiel energi på grund af tyngdekraften.
Potentiel energi er lagret energi baseret på position eller tilstand, mens kinetisk energi er bevægelsesenergien. Et objekt kan have en eller begge typer på forskellige tidspunkter.
Potentiel energi er vigtig, fordi den kan omdannes til andre nyttige energiformer, som kinetisk energi. Den hjælper os med at forstå, hvordan ting bevæger sig og fungerer, fra legeplads-sving til vandkraftværker.
Almindelige eksempler inkluderer en strakt gummibånd (elastisk potentiel energi), vand bag en dæmning (tyngdekraftspotentiel energi) og mad (kemisk potentiel energi).
Lærere kan bruge enkle demonstrationer, som at vise, hvordan en hævet bold falder, når den frigives, eller sammenligne en strakt slynge med en, der er i hvile, for at hjælpe elever med at forstå potentiel energi i praksis.