| Stage | Time | Teacher’s actions | Students’ actions |
| Org. Moment | 1' | Greetings Divide students into three groups according to the color of a paper students take from the box. During the lesson teams earn points and in the end of the lesson according to the results students get marks. |
Students take a colored paper from the box and sit at the table relatively |
| Warm up | 1' | 1. Showstermsontheboard: Электрический ток Направление электрического тока Постоянный и переменный ток Источники тока Действие электрического тока Электрическая цепь Напряжение Положительный и отрицательный электрические заряды |
Translate terms Electric current direction of electric current direct and alternating current sources of electricity effects of electric current Electric circuit Voltage Positive and negative electric charge |
| Revision | 10'' | Tells the task: “You have a list of questions and 3 minutes
for preparation. Your teams will answer one by one, but every next answer should be given
another student in the team” team gets a point for every correct answer. Appendix 1 Describe the figure. Fill in the gap. Electric current is the motion of electrons Electric circuit is a sourceof electricity, wires and devices Current may be of two types:direct andalternating. 4.What effects of electric current do you know? 5. What are conditions for current in a circuit? 6. Tell about unusual electric source. (Lemon or salty cucumber)and show it with the help of equipment
Checks the correctness of task after each exercise |
Students describe the figure 2.Students write on the board Students’ answer: 4. Heat, physiological, magnet and chemical Students’ answer: 5.Free electrons, source of electricity, electric field 6.Describes the source of electricity based on lemon. Zink plate (wide) and carbon rod are connected to the ammeter. They are put inside the lemon. The pointer moves and shows current in a circuit |
| Main part
Practice |
10'
5'
8'
5'
2' |
Current Presentation of the theme. Current is the amount of charge passing through a point in the circuit in one second.
I - Current (A) q – Charge (C) 1t – time (s) 1A = 1Coulomb|1 second Caution! 1A is dangerous for life! Ammeter is the device for measuring current Asks students to draw and make a circuit in groups using bulb, wires,ammeter,switch. The quickest and correct circuit brings point to the team.
Solve the problem Solve these problems on the poster and stick them to the board. Students and teacher checks together and teams get points Appendix2 1.Find current in electric bulb, if electric charge of 300C travels through it during 10min. 2.What charge will travel during 3min through ammeter if current is 0.2A? 3.Current is 200A. What is the time the charge of 60000C travels through it? 4. Current in the iron is 0.2A. What charge will travel through it during 5 min? 4.Self – checking test Look at the board, teacher reads question from the slide, students write answers in the exercise-book. After writing the test they take neighbor’s exercise-book and check it with the red pen Test: Current is... Ammeter is... What circuit is correct? A charge of 3.6*104C passes through a bulb in 1 hour. What current is passing through the bulb? An amount of 1020 electrons pass through the cross section of a wire in 8 s. What is the current passing through the wire ? (take e=1.6*10-19C) Answers: 1b.2c.3c.4a.5c |
Write information
Make a circuit experimentally
Students solve problems in groups and stick them to the board (they use colorful markers and write with large letters ) The contrary groups check solutions
Students fulfill the test exchange papers and check their neighbors. |
| Home Assignment | 1' | # 36 ex14 #1.2.3.4 (wr) | |
| Giving feedback and assessment | 2' | Today we have revised terms electric current, current
sources. Also we have made a circuit and we can solve problems on the theme “Current” You did a good job! |
|
Appendix 1 REVISION QUESTIONS:
Describe figure on the slide:
11
Electric current is the motion of _______
Electric circuit is _________of electricity, _________ and ___________
Current may be of two types:_______________and______________.
What effects of electric current do you know?
What are conditions for currentin a circuit?
Tell about unusual electric source. (Lemon or salty cucumber)
Appendix 2
Practice:
Solve problems and write formula and solution on the poster.
Find current in electric bulb, if electric charge of 300C travels through it during 10min.
What charge will travel during 3min through ammeter if current is 0.2A?
Current is 200A. What is the time the charge of 60000C travels through it?
Current in the iron is 0.2A. What charge will travel through it during 5 min?