1 - 4 van 4 bronnen weergeven

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
Schepper/Auteur
Leigh Kleynhans
Deelnemer
Michael Atkinson
Trefwoord
Magnetic Field
North Pole
South Pole

Equivalent Metric Units of Mass

In this online course, you will learn how to identify equivalent metric units of mass.

Onderwerp en thema
Form 1
Mathematics
Units
Units of mass
Type bron
Cursus
Taal
English
Uitgever
CK-12
Publicatiedatum
2022
Schepper/Auteur
CK-12
Trefwoord
Metric measurements
Units of mass
Units of measure

Metric units of mass

Outcome

By the end of this course you will:

  • Be able to define what mass is
  • Be familiar with the metric units of mass
  • Understand how to compare different units of mass
  • Be able to convert one unit of mass to another
Onderwerp en thema
Form 1
Mathematics
Units
Units of mass
Type bron
Cursus
Taal
English
Publicatiedatum
2023

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
Onderwerp en thema
Form 1
Biology
Introduction to biology
The biology laboratory
Type bron
Simulatie
Taal
English
Uitgever
pHET Interactive Simulations
Publicatiedatum
No date
Schepper/Auteur
Yuen-ying Carpenter (lead)
Trefwoord
pH
Dilution
Concentration
Acids
Bases