Grade 11 Physical Sciences

PHYSICS

KNOWLEDGE AREA: WAVES, SOUND AND LIGHT

UNIT 1: GEOMETRIC OPTICS (p165 – p200)

Reflection (p165)
Refraction – Part 1 (p167-169)
Refraction – Video
Refraction – Part 2 (p171-174)
Snell’s law (p183-186)
Critical angle (p190)
Total internal reflection – Video
Total internal reflection (p192-196)

UNIT 2: 2D AND 3D WAVE FRONTS (p225 – p242)

Huygens’ principle – Video
Diffraction of waves – Video
2D and 3D wave fronts – Part 1 (p225-230)
Diffraction of light waves (p232-237)

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CHEMISTRY

KNOWLEDGE AREA: MATTER AND MATERIALS

UNIT 3: IDEAL GASES AND THERMAL PROPERTIES (p117 – p144)

Go through all the slides and then please do the following exercises, the answers will be posted of these exercises on Friday. If there is any questions please feel free to ask on the Whats App groups.

Exercise 8 – p120

Exercise 9 – p128

Exercise 10 -p136

Exercise 11 -p140

Exercise 12 -p143

Corrections: Exercise 8 – 12

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KNOWLEDGE AREA: CHEMICAL CHANGE

UNIT 1: STOICHIOMETRY (p171 – p220)

Please go through the Power points and then do the first few exercises.

Exercise 13 -p174

Exercise 14 -p177

Exercise 15 -p181

Will post the answers to these Exercises later.

Corrections: Exercise 13 – 15

Concentration of solutions
Percentage composition of compounds
Empirical formula
Molecular formula
Stoichiometry – Part 1 (p199)
Stoichiometry – Part 2 (p201)
Stoichiometry – Part 3 (p204)
Stoichiometry – Part 4 (p206)
Stoichiometry – Part 5 (p209)

Term 3

PHYSICS

Electric circuits – Part 1 (p345)
Electric circuits – Part 2 (p359)
Electric circuits – Part 3 (p368)

Chemistry

Chemistry (p241-250)
Chemistry (p253)
Chemistry (p279)