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Area and Circumference of Circles and Semi-circles: 3 Videos

Video 1: How to calculate the area and circumference of circles and semi-circles
Video 2: Examples pertaining to calculating the area and circumference of circles and semi-circles
Video 3: Common mistakes made when calculating the area and circumference of circles and semi-circles

Note: After watching each video, click on the 'back button' to return to the VLE

Onderwerp en thema
Form 1
Mathematics
Perimeters and areas
Area of a circle
Type bron
Video
Taal
English
Uitgever
TicTac Learn
Publicatiedatum
2020
Schepper/Auteur
TicTac Learn
Trefwoord
Area of a circle
Area of a semicircle

Links

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.

Onderwerp en thema
Form 2
Geography
Agriculture
Small scale agriculture
Type bron
Video
Taal
English
Uitgever
Geography with Dave
Publicatiedatum
2020
Schepper/Auteur
Rajendra Davechand
Trefwoord
Small scale agriculture
Large scale agriculture

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