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Year 9 science – Unit 1: Lesson 13

In this lesson we will calculate the speed of sound in air, describe and explain how the speed of sound varies in different media in terms of particles.
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Year 9 science – Unit 1: Lesson 14

In this lesson we will identify key structures in the ear and describe how to parts of the ear work together to allow us to hear sound.
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Year 9 science – Unit 1: Lesson 15

In this lesson we will explain what is meant by 'hearing range' and how this differs with age and in different animals, measure the loudness of common sounds using appropriate units and describe what is meant by ultrasound and state some uses of it.
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Year 10 science – Unit 2: Lesson 6

In this lesson we will describe what keeps electrons in their orbits, draw and write the electron configuration for any of the first 20 elements and then describe the link between outer shell electron number, number of shells and location in the periodic table.
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Year 10 science – Unit 2: Lesson 7

In this lesson we will describe the organisation of the modern periodic table, comparing the early versions of the periodic table with the modern one.
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Year 10 science – Unit 2: Lesson 8

In this lesson we will explain the difference between metals and non-metals in terms of reactions and electrons, explain why noble gases do not react in terms of electrons and describe trends in physical properties of the noble gases.
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Year 10 science – Unit 2: Lesson 9

In this lesson we will Describe physical and chemical properties of the group 1 elements Write equations to represent their reaction with water Describe and explain trends in the properties and reactivity of group 1 elements.
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Year 10 science – Unit 2: Lesson 10

In this lesson we will Describe trends in physical properties of group 7 elements Explain the trend in physical properties of group 7 elements.
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Year 10 science – Unit 2: Lesson 11

In this lesson we will describe trends in reactivity going down group 7, describe the results of a series of reactions of group 7 elements and their compounds and write word and symbol equations to represent some reactions involving group 7 elements.
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Year 10 science – Unit 2: Lesson 12

In this lesson we will use electron configuration to explain the trends in reactivity in group 1 and 7 and compare the trends in reactivity in group 1 and 7.
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Year 10 science – Unit 2: Lesson 14

In this lesson we will describe typical properties of the transition elements, compare transition elements and their compounds with those of with group 1 and give uses of transition metals linked to their properties.