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Unit 2: Mechanics

Lesson 1: Simple Machines and Work

Identify basic machines and how they save and convert energy.

The Elements of Machines - describes the basic machine elements including wheel and axle, wedge, pulley, screw and lever as well as more complicated machine elements such as gears, cams, and chains.

Simple Machines Activities - students will dissect toys to find their working machine parts, and then design and build their own "gadget", using at least three of the simple machines.

Lesson 2: Conservation of Mechanical Energy

Apply the principles of conservation of matter and energy to mechanics situations.

Lesson 3: Principles of Heat Engines

Explain how heat engines convert heat energy into more useable forms.

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