PHYSICS SS III SECOND TERM SUB-THEME 4: FIELDS AT REST AND IN MOTION K TOPIC PERFORMANCE CONTENT ACTIVITIES TEACHING AND EVALUATION E E OBJECTIVES LEARNING GUIDE W TEACHER STUDENTS RESOURCES 3 Nucleus students should be able (1) Radioactivity natural (1) Leads discussion (1) Use half-life (1) Charts and Students to: to: and artificial: on random events analogue and plot films (1) distinguish (1) identify the -Isotopes and probability of a decay cure (2) Invite an expert between natural radiation from -Reductive element decaying atoms (2) Solve simple to give a talk on and artificial radioactive substances -Radioactive emission (2) Gives work problems on nuclear energy and radioactivity using their -Half-life and decay examples on radioactive decay its applications. (2) solve characteristics. constant radioactive decay (3) Discussion on problems (2) solve simple (2) Nuclear reaction (3) Leads discussion nuclear fission involving half- problems involving half -Fission on nuclear fission and fusion. life and decay life of radioactive -Fusion and fusion. (4) Discuss on the constant of substances. -Nuclear energy (4) Leads discussion application of radioactive (3) state some uses of -Nuclear power and on the applications radioactivity in substances radioactive substances atomic bomb of radioactivity in medicine, (3) explain (4) use the concept of (3) Nigeria’s nuclear medicine, agriculture etc. atomic energy, nuclear fission and energy programme. agricultural science, (5) Discuss on the nuclear energy, fusion for the industry etc. development of fission, fusion development of nuclear (5) Leads discussion nuclear energy and their energy programme for on the development programme for principles. Nigeria. of nuclear Nigeria programme in Nigeria. 4 Energy Students should be able (1) Energy levels in atom (1) Gives worked (1) Solve (1) X-ray films Students to: quantization to: -Ground state examples involving examples (2) Pictures and (1) explain the (1) explain the concept -Excited state threshold frequency involving charts of x-ray concept of of energy quantization -Emission of light-energy work function and threshold machines. threshold (2) use the photon on return to ground state Planck’s constant. frequency, work frequency, work concept to explain the (2) Photo-electric effect (2) Leads students to function and function and effect of electrons in the (3) Einstein photo-electric an x-ray centre and Planck’s constant. their relationship photoelectric effect. equation and its observe the (2) Discuss the with maximum (3) describe x-ray explanation operation of the x- operation of an x- kinetic energy. production and state its (4) X-ray ray equipment. ray tube. (2) solve simple characteristics, -Production problems properties and uses. - Characteristics and involving these -Properties and uses. concepts. 90