2T test preparation 2

Electricity
Preparing for the test
Welcome!
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This lesson contains 10 slides, with text slides.

time-iconLesson duration is: 45 min

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Electricity
Preparing for the test
Welcome!

Slide 1 - Slide

Plan for today
1. Recap of chapter 4 (probably quite long)
        > Conductors & Insulators
        > Voltage & Current
        > Series & Parallel
        > Power & Energy
2. Electricity sudokus 

Slide 2 - Slide

Insulators and conductors
              Insulators                                                                   Conductors

Slide 3 - Slide

Voltage and current
The electrical current is the amount of charge that passes through a device.
The voltage is the amount of energy that the charges carry.

Slide 4 - Slide

How can we draw circuits?
We use symbols! These are some of the most important ones:
Wire
Battery
Light bulb ('lampje')
Voltmeter/ Ammeter 
Switch
LED

Slide 5 - Slide

Series circuit
Parallel circuit

Slide 6 - Slide

Electrical power


P is the electrical power in W
U is the voltage in V
I is the current in A
P=UI

Slide 7 - Slide

Slide 8 - Slide

Electrical sudokus
You need to check each level before you continue to the next!

Slide 9 - Slide

How to study for the test?
Make sure you understand the blue words
Do the Test Yourself for each paragraph
Make a lot of exercises!!!

Slide 10 - Slide