2T test preparation 2

Electricity
Preparing for the test
Welcome!
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This lesson contains 15 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

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

Which three substances are resistors?
A
Rubber, plastic and glas
B
Plastic, diamond and wood
C
Rubber, oil and wood
D
Plastic, oil and glass

Slide 9 - Quiz

How much voltage comes from an electrical outlet at home?
A
2,3 volt
B
23 volt
C
230 volt
D
2300 volt

Slide 10 - Quiz

If you connect 4 batteries of 1.5 volts in series, you get a total voltage of:
A
5,5 volt
B
6,0 volt
C
2,66 volt
D
2,5 volt

Slide 11 - Quiz

Wire
Battery
Light
Switch
Motor
Power outlet

Slide 12 - Drag question

In a parallel circuit, the ... is the same everywhere.
A
Current
B
Voltage
C
Energy
D
Power

Slide 13 - Quiz

Quantity
Unit
Sybmbol
symbol
Power
Current
Voltage
P
I
V
Ampère
A
W
U
Watt
Volt

Slide 14 - Drag question

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 15 - Slide