Bundle: Static Electricity and Electric FieldsQuick View
BrainJar

Bundle: Static Electricity and Electric Fields

2 Resources
Two complete No-Prep lessons with exam questions, tasks and answers on Static Electricity (Static Charge and Electric Fields) for AQA GCSE (9-1) Physics, covering all of exam spec points 4.2.5.1 and 4.2.5.2. This mini bundle can be used with the following bundle so you have all the lessons for the Electricity Topic for GCSE Physics: https://www.tes.com/teaching-resource/resource-12660191 As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. These high quality lessons include explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview videos show a representative sample of slides from the resources so that you get a good idea of what they include before you buy. What’s Included in each lesson: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. The lessons were written for AQA GCSE Physics but are very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electricity: Circuits, Current, ChargeQuick View
BrainJar

Electricity: Circuits, Current, Charge

(1)
Complete No-Prep lesson with exam questions, tasks and answers on Circuits, Current and Charge for AQA GCSE (9-1) Science / Physics, covering all of exam spec points 4.2.1.1 and 4.2.1.2 / 6.2.1.1 and 6.2.1.2. This is the first lesson in the teaching sequence. As a Secondary Science teacher, Deputy Headteacher, writer and examiner I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Draw and interpret circuit diagrams, including by circuit symbols correctly. Describe the difference between a battery and a cell. Describe current as a flow of electrical charge and the size of the current as the rate of flow of electrical charge. Explain why current requires a source of potential difference. Explain why current has the same value at any point in series circuit. Recall and apply: Current Flow (Q) = Current (I) x time (t) The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Bundle: Electricity TopicQuick View
BrainJar

Bundle: Electricity Topic

7 Resources
Bundle of 7 complete No-Prep lessons with exam questions, tasks and answers on Electricity for AQA GCSE (9-1) Science / Physics, covering all of AQA 4.2.1 to 4.2.4 / 6.2.1 to 6.2.4. This bundle covers the complete topic for Combined Science and GCSE Physics (except for Required Practical instructions) but does NOT contain the GCSE Physics only lessons on Static Charge and Electric Fields. The latter which can be found in this “add on bundle”: https://www.tes.com/teaching-resource/bundle-static-electricity-and-electric-fields-12671708 As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. These high quality lessons include explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview videos show a representative sample of slides from each resource so that you get a good idea of what it includes before you buy. Teaching Order Circuits, Current and Charge Current, Potential Difference and Resistance Resistors and Ohm’s Law Series and Parallel Circuits AC and Mains Electricity Energy Transfers and Power National Grid What’s Included in each lesson: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. The lessons were written for AQA GCSE Science / Physics but are very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electricity: Resistors Ohm's LawQuick View
BrainJar

Electricity: Resistors Ohm's Law

(2)
Complete No-Prep lesson with exam questions, tasks and answers on Resistors and Ohm’s Law (ohmic and non-ohmic conductors, filament lamps, diodes, LDRs and thermistors) for AQA GCSE (9-1) Science / Physics. This is the third lesson in the teaching sequence. This lesson covers all of AQA GCSE Physics 4.2.1.4 / Combined Science 6.2.1.4 theory sections but does not give instructions, sample results etc for the required practical. As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Describe that for some resistors resistance is constant as current changes, but for others resistance changes as current changes. Describe Ohm’s Law and what is meant by an ohmic conductor. Explain the shape of the current-potential difference graphs for fixed resistors, lamps, diodes. Describe how resistance changes with light or temperature in LDRs and thermistors, and their uses. The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
National Grid (Electricity Topic)Quick View
BrainJar

National Grid (Electricity Topic)

(1)
Complete No-Prep lesson with exam questions, tasks and answers on the National Grid for the Electricity Topic of AQA GCSE (9-1) Science / Physics. This lesson covers all of AQA GCSE Physics 4.2.4.3 / Combined Science 6.2.4.3 Please note that this lesson is for the Electricity topic - there is a similar lesson on Transformers and the National Grid for GCSE Physics only in the Magnetism and Electromagnetism topic. As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. Learning objectives: Describe the structure and purpose of the national grid. Describe the difference between step-up and step-down transformers and how each is used in the national grid. Explain why the national grid is an efficient way to transfer energy. The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electric Motors and LoudspeakersQuick View
BrainJar

Electric Motors and Loudspeakers

(1)
Complete No-Prep lesson with exam questions, tasks and answers on Electric Motors and Loudspeakers for AQA GCSE (9-1) Science / Physics. This lesson covers all of the following AQA exam spec points: Electric Motors: GCSE Physics 4.7.2.3 / Combined science 6.7.2.3 which is for Higher Tier students only. Loudspeakers: GCSE Physics 4.7.2.4 which is for GCSE Physics students only and is again for Higher Tier. This GCSE Physics only section is clearly marked. As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Teaching notes. • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
(Chapter 12 BUNDLE) A level Physics - Electricity - Electric currentQuick View
ThePhysicsmaster

(Chapter 12 BUNDLE) A level Physics - Electricity - Electric current

5 Resources
This bundle contains 4 lessons and an end of unit assessment Each lesson follows the AQA Physics: A Level Year 1 and AS textbook https://amzn.to/3BGFsD5 The lessons are complete and designed to be taught over a period of 90 minutes. They are fully animated and contains fully worked out answers to every question. The format A recall starter activity to help store key definitions and ideas to long term memory. Clear slides presented in a logical order, which can be used to talk through and explain the key concepts of the lesson. Questions and example slides, which can be used to model perfect exam ready answers. Summary questions to practice and consolidate the new knowledge gained from the lesson.
Static ElectricityQuick View
BrainJar

Static Electricity

(0)
Complete No-Prep lesson with exam questions, tasks and answers on Static Electricity for AQA GCSE (9-1) Physics, covering exam spec point 4.2.5.1 (Static Charge). As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Describe the production of static electricity through friction between insulators. Describe evidence that charged objects exert forces of attraction or repulsion on each other through a non-contact force. Explain how the transfer of electrons between objects can explain static electricity. The lesson was written for AQA GCSE Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Energy Transfers and Power (Electricity Topic)Quick View
BrainJar

Energy Transfers and Power (Electricity Topic)

(1)
Complete No-Prep lesson with exam questions, tasks and answers on Energy Transfers and Power for the Electricity Topic of AQA GCSE (9-1) Science / Physics. This lesson covers exam spec points 4.2.4.1 and 4.2.4.2 (Physics) or 6.2.4.1 and 6.2.4.2 (Combined Science). As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Describe how domestic appliances transfer energy. Describe how the amount of energy an appliance transfers depends on its power and how long it is on for. Describe how work is done when charge flows in a circuit. Calculate the amount of energy transferred by electrical work using: E = P t E = Q V. Calculate power using P = V I P = I2 R The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electricity: Current, Resistance and Potential DifferenceQuick View
BrainJar

Electricity: Current, Resistance and Potential Difference

(1)
Complete No-Prep lesson with exam questions, tasks and answers on Current, Resistance and Potential Difference for AQA GCSE (9-1) Science / Physics. The lesson covers all of AQA GCSE Physics 4.2.1.3 and a small part of 4.2.4.2 (energy transferred = charge flow x potential difference) because this helps to explain potential difference. This lesson is the second in the Electricity sequence and follows on from Circuits, Current and Charge. As a Secondary Science teacher and Deputy Headteacher for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Worked examples of calculations / questions. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Explain what potential difference is and how we measure it. Apply the equation energy transferred = charge flow x potential difference to describe how potential difference relates to energy transfer. Explain what resistance is, what causes it and how we measure it. Describe how the current through a component depends on both resistance and potential difference, and that a greater resistance will result in a smaller current for any given potential difference. Apply the equation potential difference = current x resistance. The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electrical Circuit Components and Symbols ActivityQuick View
bethgrace2312

Electrical Circuit Components and Symbols Activity

(1)
Included in the resource: 15 circuit component information sheets (2 per A4 sheet) Including component name, electrical circuit symbol and it’s role in an electrical circuit. Examples: fuse, switch, bulb, diode, thermistor, resistor, battery etc . . . A student information collection table Used to gather the information from the sheets in one place. Students are advised to fill in the table as far as they can, then use the information sheets for assistive learning. This resource is ideal for a student focused approach to teaching electrical circuit symbols. I print off the information sheets and stick them around the classroom. Students can then roam around with their collection tables and fill them in as they pass each information sheet or ‘collection point’. Practical, keeps the students engaged and no further preparation required. Just print!
Static ElectricityQuick View
nextpagescience

Static Electricity

(0)
Comprehension and additional task exercises pages 184 and 185 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website. This exercise covers: • It is only the electrons that can move between objects and this effect can be increase using friction • Objects that gain electrons become negative and objects that lose electrons become positive • A step-by-step description of picking up a piece of paper after rubbing a ruler with a cloth • How charge distribution changes when a charged object is brought near to an uncharged (neutral) object: picking up paper and sticking a balloon to the wall • Getting a shock from a charged car explained • The Van de Graaff generator causing hair to stand up • Practise explaining the picking up of neutral objects with charged objects • A gap filling exercise on explaining how an electrostatic air cleaner works • Amazing WHAT? facts
Electrical Currents and Energy TransferQuick View
OuttheBoxScience

Electrical Currents and Energy Transfer

(4)
New for the AQA GCSE Combined Trilogy unit ‘P5 Electricity in the Home’. Full lesson ready to use straight ‘out of the box’. Though designed for teachers to deliver (specialist and non-specialists), the lessons are structured in an intuitive way for students to navigate for independent/ remote learning/ homework covering missed content/recap Similar structure to my other power points following the input - activity - review phasing plenary sections for progress checking Clear learning objectives and outcomes Modern and engaging layout Little adaptation needed Covers an hour lesson of content matched to the specification 30 ppt slides Please give constructive feedback :D
Charging Up (Static Electricity)Quick View
OuttheBoxScience

Charging Up (Static Electricity)

(4)
KS3 Activate 2 module ‘Electricity and Magnetism’ Full lesson ready to use straight ‘out of the box’. Similar structure to my other power points following the input - activity - review phasing Plenary section for progress checking Clear learning objectives and outcomes Modern and engaging layout Little adaptation needed Covers an hour lesson of content matched to the specification 36 ppt slides Please leave some constructive feedback :D
Current and Electricity Revision SpreadQuick View
jonathanmitchell

Current and Electricity Revision Spread

(0)
KS3 Science Edexcel Yr7 Revision Spread and Answer Sheet - Physics: Topic 7J Current Electricity. This A4 revision spread condenses the Edexcel topic 7J onto one A4 sheet which can be printed off and filled in to aid revision and help summarize the topic. A full answer sheet is provided which can be used to mark the filled in revision spread and can also be used as a revision poster.
Electricity GCSE Physics BundleQuick View
ychebbout

Electricity GCSE Physics Bundle

(0)
Perfect if you teach GCSE Physics Single or Combined Science, this fully differentiated and resourced topic bundle supports your students in learning about electricity, circuits, and static electricity. Students will: Recall the structure of the atom, limited to the position, mass and charge of protons, neutrons and electrons. Draw and use electric circuit diagrams, and describe the differences between series and parallel circuits. Explain how current and potential difference are measured in series and parallel circuits. Explain how changing the resistance in a circuit changes the current and how this can be achieved using a variable resistor. Recall and use the equation to calculate: energy transferred, charge, potential difference, current, resistance, and power. Explain how current varies with potential difference for the following devices and how this relates to resistance: filament lamps, diodes, fixed resistors. Describe how the resistance of a light-dependent resistor (LDR) varies with light intensity and describe how the resistance of a thermistor varies with change of temperature. Explain how the design and use of circuits can be used to explore the variation of resistance in the following devices: filament lamps, diodes, thermistors, LDRs. Explain energy transfer and ways of reducing unwanted energy transfer. Explain the difference between direct and alternating voltage. Explain the function of the earth, neutral and live wire. Explain how an insulator can be charged by friction, through the transfer of electrons. Explain some of the uses of electrostatic charges in everyday situations. Describe some of the dangers of sparking in everyday situations. Define an electric field and describe the shape and direction of the electric field. This resource includes a detailed and engaging 87 slide PowerPoint Presentation with differentiated activities, exam style questions and progress check questions for students to complete. This resource has been adapted to cover all exam boards. Enjoy and feel free to leave a review. Approx number of lessons: 5-6 INCLUDED IN BUNDLE: 87 slide PowerPoint Presentation with key points, progress checks and quizzes
Electric FieldsQuick View
BrainJar

Electric Fields

(0)
Complete No-Prep lesson with exam questions, tasks and answers on Electric Fields for AQA GCSE (9-1) Physics, covering all of exam spec point 4.2.5.2. Update: minor mistake corrected 08.02.24 As a Secondary Science teacher, Deputy Headteacher, writer and examiner for many years I make high quality no-prep lessons so busy teachers can teach outstanding lessons without spending hours planning. This high quality lesson includes explanations, different types of in-lesson assessment (all with answers) and unique exam questions. My lessons are ideal for non-Physicists - as a Biologist who retrained as a Physics teacher I know how to take learners on a journey that builds up their understanding step by step, while still going into a lot of depth. The preview video shows a representative sample of slides from the resource so that you get a good idea of what it includes before you buy. What’s Included: • Starter / Do Now Activity • Explanation slides in “chunked” sections with animated diagrams. • Multiple questions in different question styles and difficulties - no need for worksheets. Each “chunked” explanation section typically includes a set of “learning check / quick questions” followed by a set of in-depth questions on the learning from that “chunk” of the lesson. All questions have answers. • Exam-style questions on the whole lesson at the end of the lesson- these are unique, based on real exam questions but not just copied from exam boards. • Answers for all questions • All easily editable to adapt to your teaching or to use in existing lessons. • Slightly humorous, at points, if you like that sort of thing. Learning objectives: Explain the concept of an electric field including where they are strongest and how they interact with charged objects. Draw and interpret electric field patterns. Explain how electric fields can explain the non-contact force between charged objects and other electrostatic phenomena including sparking. The lesson was written for AQA GCSE Science / Physics but is very likely to be applicable to other exam specifications. Please leave a rating / review and all other feedback gratefully received!
Electricity, magnetism, electromagnetismQuick View
novorapid

Electricity, magnetism, electromagnetism

(32)
This is a power point presentation which can be used link the following topics: Current electricity, electromagnetism, permanent and temporary magnets, effect of impurity atoms in Al Ni Co magnets, magnetic fields, the motor effect and the action of heat on magnets. If you have an old Teltron e/m deflection tube then even better because a demonstration allows students to see the effect of a magnetic, (and if time, electric field), on a stream of electrons.