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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.

Onderwerp en thema
Form 2
Physics
Magnetism
Earth's magnetic field
Type bron
Werkbladen en klassikale activiteiten
Taal
English
Uitgever
Department of Higher Education
Publicatiedatum
No date
Licentie auteursrecht
CC BY
Houder auteursrecht
Department of Higher Education and Training
Schepper/Auteur
Leigh Kleynhans
Deelnemer
Michael Atkinson
Trefwoord
Magnetic Field
North Pole
South Pole
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Eating & Exercise

Outcomes:

  • Design a diet and exercise regimen.
  • Estimate the number of calories required for basic survival.
  • Estimate the number of calories burned by exercise.
  • Explain how heart health depends on diet and exercise.
  • Explain how Body Mass Index (BMI) depends on weight and height.
Onderwerp en thema
Form 2
Biology
Nutrition
Nutrition and food nutrient concepts
Type bron
Simulatie
Taal
English
Uitgever
pHET Interactive Simulations
Publicatiedatum
No date
Licentie auteursrecht
CC BY-NC-SA
Houder auteursrecht
PhET Interactive Simulations
Schepper/Auteur
Sam Reid (Developer)
Trefwoord
Biology
Exercise
Energy
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Forces in Equilibrium

In this unit you will learn:

  • About the turning effect of forces
  • Turning effects are called moments
  • Understand that regular and irregular shaped objects have a centre of gravity
  • An objects centre of gravity determines if it is in a stable, neutral, or unstable equilibrium
Onderwerp en thema
Form 2
Physics
Forces in equilibrium
Type bron
Cursus
Taal
English
Publicatiedatum
2023
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