Grade 9: Science

Chapters

1Genetic Information Transfer and Societal Impact

2Cellular Reproduction: Mitosis and Meiosis

3Sexual and Asexual Reproduction in Organisms

4Human Reproduction and Reproductive Technologies

5Physical and Chemical Properties of Substances

6Historical Models of Atomic Structure

7Classification of Pure Substances

8Characteristics of Electricity

9Voltage, Current, and Resistance in Circuits

10Energy Devices and Efficiency

Types of Energy Devices Efficiency and Power Ratings Cost-Benefit Analysis of Energy Devices Innovations in Energy Efficiency Environmental Impact of Energy Use Renewable vs Non-Renewable Energy Cultural Perspectives on Energy Use Historical Development of Energy Devices Future of Energy Technology Educational Approaches to Energy Efficiency

11Electricity Production and Distribution

12Motion and Characteristics of Astronomical Bodies

Courses/ Grade 9: Science /Energy Devices and Efficiency

Energy Devices and Efficiency

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Assess the operating principles, costs, and efficiencies of devices that produce or use electrical energy.

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Environmental Impact of Energy Use

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