Displaying 1 - 3 of 3 Resources

The Earth's Magnetic Field

The Earth behaves like a giant bar magnet and as such there is a magnetic field present around it. The Earth’s magnetic field is thought to be caused by flowing liquid metals in the outer core of the planet which causes electric currents and a magnetic field.

Subject and Topic
Form 2
Physics
Magnetism
Earth's magnetic field
Resource Type
Werkbladen en klassikale activiteiten
Language
English
Publisher
Department of Higher Education
Publication Date
No date
Copyright Licence
CC BY
Copyright Holder
Department of Higher Education and Training
Creator/Author
Leigh Kleynhans
Contributor
Michael Atkinson
Keyword
Magnetic Field
North Pole
South Pole
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The role of small and large scale farming

This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

Subject and Topic
Form 2
Geography
Agriculture
Small scale agriculture
Resource Type
Video
Language
English
Publisher
Geography with Dave
Publication Date
2020
Copyright Licence
Full copyright
Copyright Holder
Geography with Dave
Creator/Author
Rajendra Davechand
Keyword
Small scale agriculture
Large scale agriculture
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pH Scale

Outcomes:

  • Determine if a liquid is acidic, basic, or neutral
  • Place acids or bases in relative order
  • Describe on a molecular scale, with illustrations, how the water equilibrium varies with pH
  • Determine concentration of hydroxide, hydronium and water at a given pH
  • Relate liquid color to pH
  • Predict (qualitatively and quantitatively) how dilution and volume will affect the pH and concentration of hydroxide, hydronium and water
Subject and Topic
Form 1
Biology
Introduction to biology
The biology laboratory
Resource Type
Simulatie
Language
English
Publisher
pHET Interactive Simulations
Publication Date
No date
Copyright Licence
CC BY-NC-SA
Copyright Holder
PhET Interactive Simulations
Creator/Author
Yuen-ying Carpenter (lead)
Keyword
pH
Dilution
Concentration
Acids
Bases
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