4.1 Making an electrical circuit

4.1 Making an electrical circuit
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Slide 1: Slide

This lesson contains 23 slides, with interactive quizzes and text slides.

Items in this lesson

4.1 Making an electrical circuit

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Which of the following is a good conductor of electricity?
A
Copper
B
Wood
C
Rubber
D
Glass

Slide 6 - Quiz

Copper
Copper is a metal.

Metals are conductors.


Slide 7 - Slide

Which material is an insulator?
A
Brass
B
Aluminum
C
Iron
D
Plastic

Slide 8 - Quiz

Plastic
Electrical wires are wrapped by plastic so you don't get shocked. 

The inside is made of copper

Slide 9 - Slide

Build your own circuit
Open circuit



Closed circuit

Slide 10 - Slide

Measuring electrical current
The unit of the electrical current is ampère (A)

Slide 11 - Slide

Prefixes: milli, kilo, etc
The unit for current is ampère, but often we talk about mA (milliampere). 

Let's see in the next couple of questions if you can still convert the prefixes. 

Slide 12 - Slide

What is 5 kilograms in grams?
A
50 grams
B
50000 grams
C
5000 grams
D
500 grams

Slide 13 - Quiz

What is 2 milliliters in liters?
A
0.02 liters
B
0.002 liters
C
0.2 liters
D
2 liters

Slide 14 - Quiz

What is 3000 millimeters in decimeters?
A
30 dm
B
300 dm
C
0.3 dm
D
3 dm

Slide 15 - Quiz

What is 200 mA in A?
A
20 A
B
0,02 A
C
2000 A
D
0,2 A

Slide 16 - Quiz

Slide 17 - Slide

Slide 18 - Slide

Let's check

Slide 19 - Slide

What is the purpose of a closed circuit?
A
To generate static electricity
B
To allow the flow of electric current
C
To block the flow of electric current
D
To store electrical energy

Slide 20 - Quiz

What is the unit of electrical current?
A
Ohm (Ω)
B
Watt (W)
C
Volt (V)
D
Ampère (A)

Slide 21 - Quiz

Why are electrical wires wrapped in plastic?
A
To prevent electric shock
B
To increase conductivity
C
To reduce resistance
D
To enhance insulation

Slide 22 - Quiz

Online practical
Go to the studiewijzer on Magister
Go to the chapter 4 folder
Open "Practical circuits"
You can work in pairs, or alone. 
Done? Start your homework.
(4.1: 1,2,3,5 ,6, 7)

Slide 23 - Slide