Displaying 1 - 3 of 3 Resources

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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Trigonometric Ratios

By the end of this unit you will be able to:

  • Define and use the trigonometric ratios of cosθ, sinθ and tanθ.
  • Calculate the trigonometric ratios in each quadrant of the Cartesian plane.
  • Calculate the value of expressions containing trigonometric ratios.
Subject and Topic
Form 2
Mathematics
Trigonometry
Trigonometry ratios
Resource Type
Cursus
Language
English
Publisher
Pressbooks
Publication Date
2020
Copyright Licence
CC BY
Copyright Holder
National Curriculum Vocational Mathematics Level 2
Creator/Author
Dylan Busa
Keyword
Trigonometry
Trigonometric ratios
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Trigonometry

Outcomes

By the end of this course you will be able to:

  • Define and use the trigonometric ratios of  cosθ,  sinθ, and  tanθ.
  • Calculate the value of expressions containing trigonometric ratios with a calculator.
  • Calculate the value of expressions containing trigonometric ratios without a calculator.
  • Work with trigonometric tables.
  • Solve problems in 2 dimensions involving angles of elevation and depression
Subject and Topic
Form 2
Mathematics
Trigonometry
Trigonometry ratios
Resource Type
Cursus
Language
English
Publication Date
2023
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