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Om te kan beskryf hoe energieverlies beperk kan word [

Module by: Siyavula Uploaders. E-mail the author

NATUURWETENSKAPPE

Energie-oordrag en Stelsel

Besparing van energie

OPVOEDERS AFDELING

Memorandum

Uit huis: Enige voorstelle. Meestes kom op insulasiemeganismes neer.

Rem: kry rem los. Papwiel: pomp die band.

Idees:

Daar is baie. Gee leerders voldoende geleentheid en laat gesprek toe.

LEERDER AFDELING

Inhoud

AKTIWITEIT: Om te kan beskryf hoe energieverlies beperk kan word [LU 3.2]

Kyk weer na die illustrasie van die huis by Aktiwiteit 4.1. Gesels in 'n groepie en dink aan maniere waarop julle die energieverlies uit die huis sou kan verminder:

1. ___________________________________________________________________

2. ___________________________________________________________________

3. ___________________________________________________________________

4. ___________________________________________________________________

5. ___________________________________________________________________

X Gevolgtrekking 1: energieverlies kan verminder word deur goeie isolasie.

Dink aan die voorbeelde met die remme en die papwiel in Aktiwiteit 4.1. Hoe kan die verlies van energie in die twee gevalle verminder word?

_____________________________________________________________________

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  • Gevolgtrekking 2: energieverlies kan verminder word deur toe te sien dat sisteme goed funksioneer.
  • Gevolgtrekking 3: ons het ook gesien dat energie bespaar kan word deur die korrekte gebruik van elektriese toestelle.

Hier is 'n paar maniere om elektrisiteit in die huis te bespaar.

  • Skakel die warmwatersilinder af as julle langer as ‘n week van die huis gaan weg wees.
  • Kook water in ‘n ketel en gooi dit dan in ‘n warmfles om later te gebruik.
  • Dit is onnodig om elke keer ‘n vol ketel water te kook as jy net een of twee koppies vol nodig het.
  • Gebruik lae-energie gloeilampe.
  • Installeer sonpanele op die huis se dak.

MEER IDEES:

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Tabel 1
OPVOEDERASSESSERING: KRITERIA 1 2 3 4
  1. Lewensvatbaarheid van idees
____ ____ ____ ____
  1. Finansiële implikasie (besparing of nie)
____ ____ ____ ____

Assessering

Leeruitkomste 3:Die leerder is in staat om begrip van die onderlinge verband tussen wetenskap en tegnologie, die samelewing en die omgewing te toon.

Assesseringstandaard 3.2: Dit is duidelik wanneer die leerder die impak van wetenskap en tegnologie verstaan.

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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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