# Current and Potential Difference

Current and Potential Difference
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Slide 1: Tekstslide
ScienceLower Secondary (Key Stage 3)

In deze les zitten 36 slides, met interactieve quizzen en tekstslides.

Lesduur is: 60 min

## Onderdelen in deze les

Current and Potential Difference

#### Slide 1 -Tekstslide

Circuit Symbols
Circuit symbols are used to represent electrical components in diagrams. Familiarize yourself with common symbols for resistors, batteries, switches, etc.

#### Slide 2 -Tekstslide

Link the symbol to the electric component

#### Slide 3 -Sleepvraag

Write the physical properties of metals

#### Slide 4 -Open vraag

True or false: Metals are excellent conductors of both electricity and heat.
timer
0:10
A
True
B
False

#### Slide 5 -Quizvraag

What material is commonly used as a conductor of electric current?
A
Copper
B
Aluminum
C
Gold
D
Silver

#### Slide 6 -Quizvraag

Which can conduct electricity
A
Gold
B
Iodine
C
Chlorine
D
Wood

#### Slide 7 -Quizvraag

What is electric current?
A
The measurement of electric charge
B
The opposition to the flow of electric current
C
The driving force that pushes the electric charge through a circuit
D
The flow of electric charge through a conductor

#### Slide 8 -Quizvraag

What is the device that measures electrical current?
A
Ammeter
B
Multimeter
C
Oscilloscope
D
Voltmeter

#### Slide 9 -Quizvraag

Which component makes electricity flow in a circuit?
A
Switch
B
Fuse
C
Cell
D
Resistor

#### Slide 10 -Quizvraag

Which unit is used to measure electrical power?
A
Watt
B
Volt
C
Ohm
D
Ampere

#### Slide 11 -Quizvraag

What is the purpose of a resistor in an electrical circuit?
A
Storing electrical energy
B
Converting electrical energy to heat
C
Increasing the flow of electrical current
D
Limiting the flow of electrical current

#### Slide 12 -Quizvraag

What is the unit of measurement for electric current?
A
Volts (V)
B
Watts (W)
C
Ohms (Ω)
D
Amperes (A)

#### Slide 13 -Quizvraag

Which instrument is used to measure electric current?
A
Voltmeter
B
Ammeter
C
Multimeter
D
Ohmmeter

#### Slide 14 -Quizvraag

What is the symbol for electric current?
A
R
B
I
C
P
D
V

#### Slide 15 -Quizvraag

Match the keyword to the definition.
Flow of electrons through a wire.
Components arranged in a loop, joined by wires.
Push that makes charge move (provided by a battery/cell).
Current
Potential difference
Circuit

#### Slide 16 -Sleepvraag

Drag the unit to the physical quantity:
charge
time
potential difference
current
resistance
energy
power
C
J
V
Ω
s
A
W

#### Slide 17 -Sleepvraag

Complete the circuit to show the symbols of the component used to measure potential difference and the component used to measure current.

V
A

#### Slide 18 -Sleepvraag

In a series circuit...
A
current is shared between components
B
current is the same in each component
C
p.d. is shared between components
D
p.d. is the same across each component

#### Slide 19 -Quizvraag

In a parallel circuit...
A
current is shared between branches
B
p.d. is shared between branches
C
p.d. is the same across each branch
D
current is the same across each branch

#### Slide 20 -Quizvraag

Current is the rate of flow of...
A
Electrons
B
Atoms
C
Protons
D
Neutrons

#### Slide 21 -Quizvraag

Series circuits provides the current with
A
multiple pathways
B
one pathway
C
two pathways
D
five pathways

#### Slide 22 -Quizvraag

Parallel circuits provides the current with
A
multiple pathways
B
one pathway
C
two pathways
D
five pathways

#### Slide 23 -Quizvraag

What is electric current?
A
The measurement of electric charge
B
The opposition to the flow of electric current
C
The driving force that pushes the electric charge through a circuit
D
The flow of electric charge through a conductor

#### Slide 24 -Quizvraag

If resistance increases, current...
A
Increases
B
Decreases

#### Slide 25 -Quizvraag

How is an ammeter connected to measure current?
A
In parallel
B
Across the component
C
In series-parallel
D
In series

#### Slide 26 -Quizvraag

In which direction does current flow?
A
From positive to negative
B
From negative to positive
C
In both directions
D
None of the above

#### Slide 27 -Quizvraag

What is the characteristic of the current in a series circuit?
A
Current varies with resistance
B
Total current is divided among the branches
C
Current is constant throughout
D
Same current flows through each component

#### Slide 28 -Quizvraag

What do we call the flow of electrons around a circuit?
A
Current
B
Potential difference
C
Resistance
D
Energy

#### Slide 29 -Quizvraag

What is potential difference?
What provides potential difference in a circuit?

#### Slide 30 -Tekstslide

What is potential difference?
A
The resistance in a circuit
B
The flow of current
C
The amount of charge
D
A difference in charge that can cause current to flow

#### Slide 31 -Quizvraag

How is potential difference measured?
A
In amperes (A)
B
In ohms (Ω)
C
In coulombs (C)
D
In volts (V)

#### Slide 32 -Quizvraag

How does potential difference affect current in a circuit?
A
Potential difference only affects resistance
B
Potential difference has no effect on current
C
Higher potential difference leads to lower current
D
Higher potential difference leads to higher current

#### Slide 33 -Quizvraag

What provides potential difference in a circuit?
A
bulb
B
cell or battery
C
motor
D
resistor

#### Slide 34 -Quizvraag

A potential difference pushes .............. around a circuit.
A
Protons
B
Electrons
C
neutrons
D
atoms

#### Slide 35 -Quizvraag

Potential difference is measured in...
A
Ohms
B
Volts
C
joules
D
ampere