ашық сабақ, refraction og light. 8 класс

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Физика пәнінен қысқа мерзімді жоспар

Refraction

Long-term plan unit:	Optics
Teacher name	Ospanova G T
date:	19.04.2022
Grade: 8 «А»	Number present	Absent
Theme of the lesson	Refraction
Learning objectives that are achieved at this lesson	Experimentally determine relationship between the angle of incidence and the angle of reflection; Explain and give examples of regular and diffuse reflection;
Lesson objectives	Experimentally determine relationship between the angle of incidence and the angle of reflection; Explain and give examples of regular and diffuse reflection
Values instilled at the lesson	formation of a sense of responsibility through self-assessment and mutual evaluation

Сабақтың барысы

Planned stages of the lesson	Teacher's actions	Student’s actions	Rating	Resources
Beginning (10 minutes)	I. Organization moment: Greeting with class and checking students Starter: Why does the pencil appear bent in the water?	Greeting with teacher Students answer the questions And determine the lesson objectives together		Slide 1
Middle (25 minutes)	Watch the video and write the keywords Task 1. Work in group Task 2. Work in pair. Walking gallery complete the sentences 1. When the light travels from the less dense medium (air) to denser medium (glass), it bends _____ normal 2. I is the ______ while r is the _______. 3. as the light propagate into denser medium, the value of r is _____ than the value of i. the speed of light is _____ when it enter the denser medium. 4. the speed of light is _____ as it travels out from the glass. 5. when the light travels from ______ medium (glass) to _____ medium (air), it bends _______ normal. 6. the bending of light known as ________. Task 3 individually work Match each term on the left with the best descriptor on the right	Know and understand Fill the diagram Complete the sentences Match the terms	Mark – 3 - know all the labels - knows more than half of the labels - knows less than half of the labels Mark – 5-6 correct answer - 3 3-4 - 2 1-2 - 1 Mark – 4	https://www.youtube.com/watch?v=zarxpu43-ls Slide 2 Worksheets 1 Slide 3 Worksheets 2 Slide 4 Worksheets
End (10 minutes)	Home task: learn the definitions Reflection:	Presentation with questions for students to answer		English book