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Lesson 2 — Circuits
Class layout – Science
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Slide 1:
Diapositive
Science
Middelbare school
havo, vwo
Leerjaar 2
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Class layout – Science
Slide 1 - Diapositive
Class layout – Science
Slide 2 - Diapositive
Class layout – Science
Slide 3 - Diapositive
Chapter 9 Electricity
Slide 4 - Diapositive
Circuits
Recap quiz
Circuits & circuit diagrams
Electric Current
Slide 5 - Diapositive
Recap
Slide 6 - Diapositive
Quizz
Slide 7 - Diapositive
What is electric charge?
A
A form of energy
B
A property of matter
Slide 8 - Quiz
What are the two types of electric charge?
A
Up and down
B
Blue and red
C
Hot and cold
D
Positive and negative
Slide 9 - Quiz
What is the interaction between the two types of electric charge?
A
Same charges: attract Opposite charges: repel
B
Same charges: repel Opposite charges: attract
Slide 10 - Quiz
Electric charge
Slide 11 - Diapositive
What particles cause negative electric charge?
A
Protons
B
Neutrons
C
Electrons
D
Ions
Slide 12 - Quiz
What particles cause positive electric charge?
A
Protons
B
Neutrons
C
Electrons
D
Ions
Slide 13 - Quiz
An object gains negative charge by gaining electrons
A
True
B
False
Slide 14 - Quiz
An object gains positive charge by loosing electrons
A
True
B
False
Slide 15 - Quiz
Link
Slide 16 - Diapositive
What is electricity?
A
A flow of negative charge (electrons) from a positively charged pole to a negatively charged pole.
B
A flow of negative charge (electrons) from a negatively charged pole to a positively charged pole.
C
A flow of positive charge (protons) from a positively charged pole to a negatively charged pole.
D
A flow of positive charge (protons) from a negatively charged pole to a positively charged pole.
Slide 17 - Quiz
Electricity is:
A flow of electrons from a negatively charged pole to a positively charged pole.
Slide 18 - Diapositive
A material through which electricity can easily flow is called
A
a conductor
B
an insulator
C
Electric wiring
D
protective material
Slide 19 - Quiz
A material through which electricity does not easily flow is called
A
a conductor
B
an insulator
C
electric wiring
D
protective material
Slide 20 - Quiz
Circuits
Slide 21 - Diapositive
circuit drawing
Link
Slide 22 - Diapositive
Slide 23 - Diapositive
Slide 24 - Diapositive
Slide 25 - Diapositive
Slide 26 - Diapositive
Slide 27 - Diapositive
electricity — three core properties
Current
voltage
Resistance
Slide 28 - Diapositive
Current
Slide 29 - Diapositive
Current
In water:
The amount of water that flows by per second
Expressed in: liters / second
In electricity:
The amount of electric charge that flows by per second
Expressed in: coulombs / second (ampere)
Note: 1 coulomb is 6.24 • 10
18
electrons.
Slide 30 - Diapositive
Current
The amount of electric charge that flows by per second.
Expressed in: Ampere
1 ampere is 1 coulomb/ second
1 coulomb stand for 6.24 • 10
18
electrons
Slide 31 - Diapositive
Current
The amount of electric charge that flows by per second.
The unit of current is: Ampere (A)
One ampere is one coulomb / second
One coulomb is 6.24 • 10
18
electrons.
Ampere can also be expressed in:
milliampere (mA) — 1A = 1000 mA
I
=
t
Q
I: current (ampere)
Q: charge (coulombs)
t: time (seconds)
Slide 32 - Diapositive
ammeter
Slide 33 - Diapositive
ammeter
Slide 34 - Diapositive
Slide 35 - Vidéo
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