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Unit 2 of 2

Forces, Space and Radioactivity

WJEC GCSE Science (Double Award) — Physics · 41 lessons · 29 quizzes

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2.1

Unit 2 overview: Forces, Space and Radioactivity20 min

2.1.1

Describing Motion20 min

2.1.2

Distance-Time Graphs20 min

2.1.3

Velocity-Time Graphs20 min

2.1.4

Thinking, Braking and Stopping Distances20 min

2.1.5

Traffic Control Measures20 min

2.2.1

2.2.2

Newton's First Law20 min

2.2.3

Newton's Second Law20 min

2.2.4

Weight and Mass20 min

2.2.5

Investigating Terminal Speed20 min

2.2.6

Newton's Third Law20 min

2.3.1

Energy Transfer and Work20 min

2.3.2

KE, GPE and Elastic Energy20 min

2.3.3

Calculating KE and Changes in GPE20 min

2.3.4

Force and Extension20 min

2.3.5

Investigating the Force-Extension Graph for a Spring20 min

2.3.6

Calculating Work Done in Stretching20 min

2.3.7

Improving Energy Efficiency20 min

2.3.8

Safety Features of Cars20 min

2.4.1

The Solar System20 min

2.4.2

The Universe20 min

2.4.3

Life Cycle of Stars20 min

2.4.4

Stability of Stars20 min

2.4.5

Origin of the Solar System20 min

2.4.6

Hertzsprung-Russell Diagram20 min

2.5.1

Atomic Nuclei20 min

2.5.2

Radioactive Emissions20 min

2.5.3

Types of Radiation20 min

2.5.4

Nuclear Equations20 min

2.5.5

Background Radiation20 min

2.5.6

Sources of Background Radiation20 min

2.6.1

Modelling Radioactive Decay20 min

2.6.2

Half-Life20 min

2.6.3

Calculating Half-Life20 min

2.6.4

Determining Half-Life20 min

2.6.5

Uses of Radioactive Material20 min

2.9.1

2.9.2

Nuclear Fission Reactors20 min

2.9.3

Fusion20 min

2.9.4

Nuclear Equations for Fission and Fusion20 min

Practice for this unit

2.1.1 Describing Motion - MCQ practice (35 questions)

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2.1.2 Distance-Time Graphs - MCQ practice (9 questions)

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2.1.3 Velocity-Time Graphs - MCQ practice (28 questions)

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2.2.1 Inertia - MCQ practice (3 questions)

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2.2.2 Newton's First Law - MCQ practice (2 questions)

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2.2.3 Newton's Second Law - MCQ practice (19 questions)

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2.2.4 Weight and Mass - MCQ practice (47 questions)

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2.2.5 Investigating Terminal Speed - MCQ practice (40 questions)

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2.3.1 Energy Transfer and Work - MCQ practice (12 questions)

Marked questions with instant feedback and a full review.

2.3.2 KE, GPE and Elastic Energy - MCQ practice (7 questions)

Marked questions with instant feedback and a full review.

2.3.3 Calculating KE and Changes in GPE - MCQ practice (7 questions)

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2.3.4 Force and Extension - MCQ practice (19 questions)

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2.3.7 Improving Energy Efficiency - MCQ practice (11 questions)

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2.4.1 The Solar System - MCQ practice (16 questions)

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2.4.2 The Universe - MCQ practice (2 questions)

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2.4.3 Life Cycle of Stars - MCQ practice (2 questions)

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2.4.4 Stability of Stars - MCQ practice (2 questions)

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2.4.5 Origin of the Solar System - MCQ practice (1 questions)

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2.4.6 Hertzsprung-Russell Diagram - MCQ practice (2 questions)

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2.5.1 Atomic Nuclei - MCQ practice (27 questions)

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2.5.3 Types of Radiation - MCQ practice (47 questions)

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2.5.4 Nuclear Equations - MCQ practice (36 questions)

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2.5.5 Background Radiation - MCQ practice (5 questions)

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2.5.6 Sources of Background Radiation - MCQ practice (4 questions)

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2.6.1 Modelling Radioactive Decay - MCQ practice (11 questions)

Marked questions with instant feedback and a full review.

2.6.2 Half-Life - MCQ practice (11 questions)

Marked questions with instant feedback and a full review.

2.6.3 Calculating Half-Life - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

2.6.4 Determining Half-Life - MCQ practice (10 questions)

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2.6.5 Uses of Radioactive Material - MCQ practice (7 questions)

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