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Unit 1 of 2

Electricity, Energy and Waves

WJEC GCSE Science (Double Award) — Physics · 54 lessons · 24 quizzes

Start the first lesson

1.1

Unit 1 overview: Electricity, Energy and Waves20 min

1.1.1

Circuit Symbols20 min

1.1.2

Current in Series and Parallel Circuits20 min

1.1.3

Voltage in Series and Parallel Circuits20 min

1.1.4

I-V Characteristics20 min

1.1.5

Investigating I-V Characteristics20 min

1.1.6

Current and Voltage Relationships20 min

1.1.7

Resistors in Series and Parallel Circuits20 min

1.1.8

Electrical Power20 min

1.1.9

Power and Resistance20 min

1.2.1

Renewable and Non-Renewable Energy20 min

1.2.2

Generating Electricity20 min

1.2.3

Comparing Power Stations20 min

1.2.4

Sankey Diagrams and Efficiency20 min

1.2.5

The National Grid20 min

1.3.1

1.3.2

Determining Density20 min

1.3.3

Conduction, Convection and Radiation20 min

1.3.4

Investigating Methods of Heat Transfer20 min

1.3.5

Reducing Energy Loss20 min

1.3.6

Investigating Costs of Energy Sources20 min

1.4.1

Calculating the Cost of Electricity20 min

1.4.2

Investigating the Cost of Using Appliances20 min

1.4.3

Alternating Current and Direct Current20 min

1.4.4

Circuit Breakers20 min

1.4.5

The Ring Main20 min

1.4.6

Cost Effectiveness of Renewable Energy Equipment20 min

1.4.7

Investigating Energy Transfers20 min

1.5.1

Transverse and Longitudinal Waves20 min

1.5.2

Describing Waves20 min

1.5.3

Wave Equations20 min

1.5.4

Investigating the Speed of Water Waves20 min

1.5.5

Reflection and Refraction of Waves20 min

1.5.6

The Electromagnetic Spectrum20 min

1.5.7

Radiation20 min

1.5.8

Communication Satellites20 min

1.6.1

Total Internal Reflection and Optical Fibres20 min

1.6.2

Uses of Optical Fibres20 min

1.7.1

Properties of Seismic Waves20 min

1.7.2

Discoveries from Seismic Waves20 min

1.8.1

1.8.2

Absolute Zero and Temperature20 min

1.8.3

1.8.4

Heat Transfer and Changes in Temperature20 min

1.8.5

Determining Specific Heat Capacity20 min

1.8.6

Heat Transfer and Changes in State20 min

1.9.1

Magnetic Fields20 min

1.9.2

Magnetic Force on a Current Carrying Conductor20 min

1.9.3

D.C. Motors20 min

1.9.4

Electromagnetic Induction20 min

1.9.5

Direction of Induced Current20 min

1.9.6

Transformers20 min

1.9.7

Transformer Calculations20 min

1.9.8

Investigating the Output of a Transformer20 min

Practice for this unit

1.1.1 Circuit Symbols - MCQ practice (22 questions)

Marked questions with instant feedback and a full review.

1.1.2 Current in Series and Parallel Circuits - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

1.1.3 Voltage in Series and Parallel Circuits - MCQ practice (15 questions)

Marked questions with instant feedback and a full review.

1.1.6 Current and Voltage Relationships - MCQ practice (14 questions)

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1.1.7 Resistors in Series and Parallel Circuits - MCQ practice (21 questions)

Marked questions with instant feedback and a full review.

1.1.8 Electrical Power - MCQ practice (2 questions)

Marked questions with instant feedback and a full review.

1.1.9 Power and Resistance - MCQ practice (1 questions)

Marked questions with instant feedback and a full review.

1.2.1 Renewable and Non-Renewable Energy - MCQ practice (2 questions)

Marked questions with instant feedback and a full review.

1.2.2 Generating Electricity - MCQ practice (2 questions)

Marked questions with instant feedback and a full review.

1.2.3 Comparing Power Stations - MCQ practice (1 questions)

Marked questions with instant feedback and a full review.

1.2.4 Sankey Diagrams and Efficiency - MCQ practice (11 questions)

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1.2.5 The National Grid - MCQ practice (12 questions)

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1.3.1 Density - MCQ practice (28 questions)

Marked questions with instant feedback and a full review.

1.3.2 Determining Density - MCQ practice (22 questions)

Marked questions with instant feedback and a full review.

1.3.3 Conduction, Convection and Radiation - MCQ practice (50 questions)

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1.3.3 Conduction, Convection and Radiation - MCQ practice part 2 (34 questions)

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1.4.1 Calculating the Cost of Electricity - MCQ practice (12 questions)

Marked questions with instant feedback and a full review.

1.4.3 Alternating Current and Direct Current - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

1.4.4 Circuit Breakers - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

1.4.5 The Ring Main - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

1.5.1 Transverse and Longitudinal Waves - MCQ practice (17 questions)

Marked questions with instant feedback and a full review.

1.5.2 Describing Waves - MCQ practice (23 questions)

Marked questions with instant feedback and a full review.

1.5.3 Wave Equations - MCQ practice (26 questions)

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1.5.6 The Electromagnetic Spectrum - MCQ practice (36 questions)

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