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Natuurwetenskappe

Graad 8

Materie: klassifikasie

Module 13

Waarvan is alles gemaak?

Voorkennis uit Graad 7:

  • Leerders weet dat materie alle lewende en nie-lewende stowwe insluit.
  • Leerders weet dat materie uit drie fases bestaan.
  • Leerders weet dat materie ruimte beslaan en volume en massa het.

Klasaktiwiteit: groepbespreking

1. Kan jy ewe maklik deur alle stowwe beweeg?

2. Is daar stowwe (materie) waardeur jy nie kan beweeg nie?

3. Voltooi die volgende:

ja / nee voorbeeld (indien nee)
a) Kan lig deur alle materie beweeg? ................ ..........................................
b) Kan hitte deur alle materie beweeg? ................ ..........................................
c) Kan klank deur alle materie beweeg? ................ ..........................................
d) Kan elektrisiteit deur alle materie beweeg? ................ ..........................................
e) Behou materie altyd sy vorm? ................ ..........................................

4. Klassifiseer die materie rondom jou in die fases wat reeds aan jou bekend is deur die onderstaande te voltooi:

GAS VLOEISTOF VASTE STOF
.......................................... .......................................... ..........................................
.......................................... .......................................... ..........................................
.......................................... .......................................... ..........................................
.......................................... .......................................... ..........................................
.......................................... .......................................... ..........................................
.......................................... .......................................... ..........................................

Assessering

LU 1

Wetenskaplike Ondersoek

Die leerder is in staat om met selfvertroue op weetgierigheid oor natuurlike verskynsels te reageer, en om binne die konteks van wetenskap, tegnologie en die omgewing verbande te ondersoek en probleme op te los.

Dit is bewys as die leerder:

1.1 ondersoeke kan beplan;

1.2 ondersoeke kan uitvoer en data kan insamel;

1.3 data kan evalueer en bevindinge kan kommunikeer.

LU 2

Wetenskaplike Kennis

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

Dit is bewys as die leerder:

2.1 sinvolle inligting kan onthou;

2.2 inligting in kategorieë kan plaas;

2.3 inligting kan interpreteer;

2.4 kennis kan toepas.

LU 3

Wetenskap, die Gemeenskap en die Omgewing

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

Dit is bewys as die leerder:

3.1 wetenskap as ‘n menslike aktiwiteit kan verstaan;

3.2 volhoubare gebruik van die aarde se hulpbronne verstaan.

Memorandum

Module 1: waarvan is alles gemaak?

KLASAKTIWITEIT: GROEPBESPREKING

1. nee

2. ja

3. a) nee – mure, dakke

b) nee – asbes, hout

c) nee – klankdigte materiaal

d) nee – isolators bv plastiek,rubber

e) nee – verhitting en kragte vervorm bv. smelt

4. gas: lug; vloeistof: water; vastestof: bank, tafel

Questions & Answers

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Hajah Reply
the study of living organisms and their interactions with one another and their environments
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Victoria Reply
HOW CAN MAN ORGAN FUNCTION
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the diagram of the digestive system
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Ogenrwot
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They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
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Genetics is the study of heredity
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Joseph Reply
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Yousuf Reply
the study of living organisms and their interactions with one another and their environment.
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Joseph Reply
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Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
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cells is the basic structure and functions of all living things
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What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
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Source:  OpenStax, Natuurwetenskappe graad 8. OpenStax CNX. Sep 12, 2009 Download for free at http://cnx.org/content/col11049/1.1
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