Energy & change

Static electricity

• The science of static electricity 3'38"

• Static electricity 3'13"

Electrostatic force

• Electrostatic force 4'06"

Charge

• Atom - introduction: 4'40"

Balloons, sticky tape and static electricity

• Sticky tape and static electricity 6'08"

• Pick up paper with a static balloon 1'13"

• Balloons and static electricity 1'45"

Simulations

• Rub foot on carpet and get a shock

• Balloons and static electricity

Heat & Light

• The heating effect of electric current 6'26"

• Overloading and short circuit 8'42"

Chemical reaction

• What is electrolysis? 5'10"

Magnetic field

• Magnetic field around a conductor 13"

• Magnetic field around a current-carrying conductor 8'01"

• Magnetic effect of electric current 21'35"

Requirements for current to flow

1. Requirements for current to flow: Practical 11'28"

2. Short circuits and broken circuits 6'38"

Components and diagrams

1. Analogy 2'37"

2. Components 2'20"

3. Telling series and parallel circuits apart 6'30"

4. Effect of breaking series / parallel circuits at various places 16'04"

Batteries and bulbs

1. Terms 6'12"

2. Cells and brightness 6'35

3. Cells in series 7'55"

4. Cells in parallel 8'43"

5. Comparison: cells in series & parallel 1'46"

Adding resistors in series

1. Terms 3'77"

2. Investigation 9'06"

3. Adding resistors in series 7'38"

Position and current strength in series circuits

1. Position and current strength 6'37"

2. Current strength at various positions in a series circuits 5'30"

Parallel circuits

1. Measuring current strength in parallel circuits 5'16"

2. Current strength in the main part of a parallel circuit 6'19"

3. Resistance in parallel circuits 5'01"

4. Potential difference and current strength in parallel circuits 7'18"

Bulb brightness and parallel circuits

1. Adding resistors in parallel 17'07"

Batteries and bulbs

1. Terms 6'12"

2. Cells and brightness 6'35

3. Cells in series 7'55"

4. Cells in parallel 8'43"

5. Comparison: cells in series & parallel 1'46"

Emission, radiation, dispersion

1. Emission, radiation, dispersion, colour: 9'19"; Interactive mindmap

2. Luminous objects 6'03"

3. Dispersion (1) 6'08"

4. Dispersion (2) 8'34"

Reflection, refraction, sight

1. Reflection, refraction, opaque, transparent, sight: 9'29"; Interactive mindmap

2. Opaque objects 5'05"

3. Colour of opaque objects 3'52"

4. Transparent objects & refraction 4'29"

5. Reflection 9'26"

6. Sight 6'30"

Simulations

• Bending light

• Colour vision