2 YR2_T2_LSN8 2.4 Circuits + Kwizl part 1

YR2_T2_LSN8
Topic 2.4 Circuits
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YR2_T2_LSN8
Topic 2.4 Circuits

Slide 1 - Tekstslide

Planning for today
  • Repeat topic 2.4 Circuits
  • Bean Project

Slide 2 - Tekstslide

Slide 3 - Tekstslide

Voltage
 Voltage (U) is how much electrical energy each electron is carrying. 
 
Measured in Volts (V) with a voltmeter

Slide 4 - Tekstslide

Current
A current (I) is how many electrons flow past every second.
 
Measured in Amps (A) with an "ammeter" (amperemeter)

Slide 5 - Tekstslide

Learning goals 2.4
I can…
  • explain the basic components necessary for building a simple circuit.
  • draw circuit diagrams by using the circuit symbols.
  • explain the advantages and disadvantages of a series circuit.
  • calculate the current or voltage at various points in a series circuit.
  • explain the advantages and disadvantages of a parallel circuit
  • calculate the current or voltage at various points in a parallel circuit
  • use an ammeter or voltmeter to properly measure the current or voltage at a certain point in a circuit.

Slide 6 - Tekstslide

Key words
  • wire
  • power source
  • batteries
  • switch
  • lamp
  • bell
  • Volt meter
  • Ammeter
  • motor
  • LED
  • series circuit
  • parallel circuit
  • consumption

Slide 7 - Tekstslide

Basic circuit
Copper wire connects the voltage source to the device and back again. When the switch is closed the electricity can flow through the wire and light the bulb.

Slide 8 - Tekstslide

Drawing a circuit
These symbols make drawing circuits easier

Slide 9 - Tekstslide

2.4 Circuits

Slide 10 - Tekstslide

2.4 Circuits - series

Slide 11 - Tekstslide

2.4 Circuits - Series
  • All components are in the same loop, end to end.
  • There is only one way the current can flow
  • Same current throughout the entire circuit
  • Voltage is shared by all components in the circuiekst

Slide 12 - Tekstslide

2.4 Circuits - Parallel

Slide 13 - Tekstslide

2.4 Circuits - Parallel
  • Multiple loops or paths for the current to flow through
  • Currents is divided through every pathway
  • Voltage is the same for all components

Slide 14 - Tekstslide

-Voltage same for all components
-Current is divided
-Current only divides equally if components are the same

Slide 15 - Tekstslide

Kwizl
Go to Kwizl and start with:  
  • YR2_T2_Circuits simulation part 1

Slide 16 - Tekstslide

Homework
  • Finish the exercises of Topic 2.4 
  • Study the glossary of Topic 2.4 on StudyGo.

Slide 17 - Tekstslide