Lesson period/Time
|
Actions of the teacher
|
Actions of the student
|
Assessment
|
Resources
|
The beginning of the lesson
2 min.
"Brainstorming" method 5 min
|
Organizational period: Congratulation and completion
-Creating an atmosphere of cooperation in the classroom
- Focusing students' attention on the lesson, checking the equipment
- Introducing learning goals and stating assessment criteria
- Introducing the subject of the lesson
1. Homework check
2. asking questions on previous topics
1. What kind of phenomenon
Called interference?
2. In what conditions is stable
is the interference pattern observed?
3. During interference
minimum and maximum
name the conditions.
4. What a phenomenon
called diffraction?
5. Why all
wave resistance
able to pass?
|
Students listen to the topic
|
Description:
- Answers questions
Total score is 2
|
|
The middle of the lesson
17 min
|
Task 1
Made of horse hair
Determine the frequency and harmonics of the fundamental mode of the string vibration of the instrument with length l = 0.3 m. Propagation speed of horsehair sound
1500 m/s. Bowel sounds
How to make the main fashion
can be changed?
|
Students complete the task
|
|
|
Personal work
9 min.
|
Task 2
Experimental task;
The frequency of the sound in the glass
to the height of the air layer there
study the dependence (Fig. 95). Make a sound
for this, it is necessary to pass the edge of the glass with a wet finger
|
|
Description:
- Completes the experimental task. Total score -2
PC screen
Worksheet
Pocket phone
|
PC screen
Worksheet
|
End of lesson
Reflection
2 min
|
At the end of the lesson, students reflect
At the end of the lesson, students reflect:
- what I knew, what I learned
- I did not fully understand what
- what needs to be continued
|
Analyzes the result.
|
|
PC screen
|
