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Om 'n oorsig van energievorme en energiebronne te kan gee

Module by: Siyavula Uploaders. E-mail the author

NATUURWETENSKAPPE

Energie-oordrag en Stelsel

Verskillende vorme van energie

OPVOEDERS AFDELING

Memorandum

Geheuekaart:

Bewegingsenergie: wind en water

Chemiese energie: voedsel

Warmte-energie: son

Elektriese energie: selle, batterye, dinamo’s, kragstasies

Ligenergie: son

LEERDER AFDELING

Inhoud

Aktiwiteit: Om 'n oorsig van energievorme en energiebronne te kan gee [LU 2.1]

  • Om te kan bestaan, benodig die liggaam brandstof in die vorm van voedsel. In voedsel is daar energie opgeberg en dit word chemiese energie genoem. Dit verskaf aan mense die energie om te kan leef, eet, slaap, hardloop, leer en dink.

Benewens chemiese energie is daar baie ander vorms van energie. Warmte-energie en ligenergie word hoofsaaklik van die son verkry. Bewegingsenergie word bv. verkry wanneer bewegende water ‘n waterwiel laat draai of wanneer bewegende lug (wind) ‘n windpomp laat werk.

Klankenergie word veroorsaak deur vibrerende voorwerpe, bv. die snare van ‘n kitaar.

Elektriese energie is die vorm van energie wat die meeste in die alledaagse lewe gebruik word. Elektriese energie word met behulp van dinamo’s opgewek. Elektriese energie is baie gerieflik, omdat dit met drade oor lang afstande vervoer kan word. Elektriese energie kan ook uit selle (bv. flitsselle) of batterye verkry word.

Gebruik die inleidingsparagraaf en voltooi die geheuekaart deur 'n bron van elke vorm van energie neer te skryf (probeer onthou wat jy in Graad 5 geleer het).

Figuur 1
Figuur 1 (graphics1.png)

Assessering

Leeruitkomste 2:Die leerder ken, interpreteer en pas wetenskaplike, tegnologiese en omgewingskennis toe.

Assesseringstandaard 2.1: Dit is duidelik wanneer die leerder betekenisvolle inligting onthou.

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Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

Who can create a lens?

Any individual member, a community, or a respected organization.

What are tags? tag icon

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

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My Favorites (?)

'My Favorites' is a special kind of lens which you can use to bookmark modules and collections. 'My Favorites' can only be seen by you, and collections saved in 'My Favorites' can remember the last module you were on. You need an account to use 'My Favorites'.

| A lens I own (?)

Definition of a lens

Lenses

A lens is a custom view of the content in the repository. You can think of it as a fancy kind of list that will let you see content through the eyes of organizations and people you trust.

What is in a lens?

Lens makers point to materials (modules and collections), creating a guide that includes their own comments and descriptive tags about the content.

Who can create a lens?

Any individual member, a community, or a respected organization.

What are tags? tag icon

Tags are descriptors added by lens makers to help label content, attaching a vocabulary that is meaningful in the context of the lens.

| External bookmarks