Theme 3 Introduction
Completion requirements
Theme 3: Introduction
Theme 3: Energy — Its Forms and Uses
Theme 3: Energy — Its Forms and Uses

In this theme, you will investigate a variety of important energy conversions that occur, including thermal, mechanical, and electrical energy sources. You will also learn about converting energy into useful forms that are used every day, especially in our homes.
This theme includes five lessons:
- Lesson 10 — Forms of Energy
Lesson 11 — Thermal Energy
Lesson 12 — Energy and Machines
Lesson 13 — Electrical Energy
Lesson 14 — Energy Use at Home
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