If this scheme pleases you, click here to download.
| WK | LSN | TOPIC | SUB-TOPIC | OBJECTIVES | T/L ACTIVITIES | T/L AIDS | REFERENCE | REMARKS |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 |
RADIOACTIVITY
|
Definition of radioactivity.
|
By the end of the lesson, the learner should be able to:
Define radioactivity, a nuclide and radioactive decay. Differentiate between natural and artificial radioactivity. |
Q/A: Review the atomic structure. Exposition: symbolic representation of an atom / nucleus. Exposition: meaning of radioactivity and radioactive decay. Discussion: artificial and natural radioactivity. |
student book
|
K.L.B. BK IV
Pages 249-251 |
|
| 1 | 2 |
RADIOACTIVITY
|
Definition of radioactivity.
|
By the end of the lesson, the learner should be able to:
Define radioactivity, a nuclide and radioactive decay. Differentiate between natural and artificial radioactivity. |
Q/A: Review the atomic structure. Exposition: symbolic representation of an atom / nucleus. Exposition: meaning of radioactivity and radioactive decay. Discussion: artificial and natural radioactivity. |
student book
|
K.L.B. BK IV
Pages 249-251 |
|
| 1 | 3 |
RADIOACTIVITY
|
Alpha particles.
|
By the end of the lesson, the learner should be able to:
State properties of alpha particles. Describe methods of detecting alpha particles. |
Q/A: position of helium in the periodic table.
Expository approach: |
student book
|
K.L.B. BK IV
Pages 251-253 |
|
| 1 | 4-5 |
RADIOACTIVITY
|
Alpha particles.
Equations involving alpha particles. |
By the end of the lesson, the learner should be able to:
State properties of alpha particles. Describe methods of detecting alpha particles. Write down and balance equations involving alpha particles. |
Q/A: position of helium in the periodic table.
Expository approach: Q/A: Review atomic and mass numbers. Examples of balanced equations. Supervised practice. |
student book
|
K.L.B. BK IV
Pages 251-253 K.L.B. BK IV Page 257 |
|
| 2 | 1 |
RADIOACTIVITY
|
Beta particles.
Gamma rays.
|
By the end of the lesson, the learner should be able to:
State properties of beta particles. Define isotopes and isobars. Write down balanced equations involving both alpha and beta particles. State properties of gamma rays. |
Q/A: Review isotopes.
Expository approach: teacher briefly exposes new concepts. Examples of equations. Supervised practice. Assignment. |
student book
|
K.L.B. BK IV
Pages 251-253 |
|
| 2 | 2 |
RADIOACTIVITY
|
Beta particles.
Gamma rays.
|
By the end of the lesson, the learner should be able to:
State properties of beta particles. Define isotopes and isobars. Write down balanced equations involving both alpha and beta particles. State properties of gamma rays. |
Q/A: Review isotopes.
Expository approach: teacher briefly exposes new concepts. Examples of equations. Supervised practice. Assignment. |
student book
|
K.L.B. BK IV
Pages 251-253 |
|
| 2 | 3 |
RADIOACTIVITY
|
Radioactive
Half-Life.
|
By the end of the lesson, the learner should be able to:
Define the term radioactive half-life. Solve problems relating to half ?life |
Teacher demonstration: Dice experiment.
Exposition of the term half-life. Worked examples. Written exercise |
Dice.
|
K.L.B. BK IV
Pages 253-4 |
|
| 2 | 4-5 |
RADIOACTIVITY
|
Radioactive decay curve.
Nuclear fusion and nuclear fission. Applications of radioactivity. |
By the end of the lesson, the learner should be able to:
Plot a radioactive decay curve to deduce the half ?life from the curve. Differentiate between nuclear fusion and nuclear fission. Describe applications of radioactivity. |
Drawing a radioactive decay curve inferring the half-life of the sample from the graph.
Exposition of new concepts accompanied by nuclear equations. Brief discussion: Carbon dating, detecting leakage, medication, agriculture, industry; effect of static charges, etc. |
Graph papers.
student book |
K.L.B. BK IV
Pages 254-5 K.L.B. BK IV Pages 259-260 |
Your Name Comes Here