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- (-) Geometry
- (-) Static electricity
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Video 1: How to construct a copy of an angle
Video 2:
Video 3: Common mistakes made when constructing an angle as a copy of another
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Video 1: How to construct angles of a given measurement using paper and a protractor
Video 2: How to construct angles of a given measurement using a compass
Video 3: Examples of constructing angles of specific measurements
Video 4: Common mistakes made when constructing angles of specific measurements
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To lay the foundation for understanding what trigonometry is and how it works, do this next activity.
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Video 1: Introduces the concepts of points, lines, rays and line segments
Video 2: Provides examples of points, lines, line segments and rays
Video 3: Common mistakes made
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In this lesson you will learn that:
- Static electricity is a build-up of charge in an object.
- The build-up pf charge is caused by insulating materials rub against each other.
- The motion of these charges causes small shocks, lightening and sparks.
- These charges can be detected.
- Certain materials can be classified as insulators, and others as conductors.
- Capacitors are small devices in circuits which can store charge.
- Lightning rods are used to allow charges from strikes to travel safely and dissipate in the Earth
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Electric charge comes in two varieties, which we call positive and negative. Like charges repel each other, and unlike charges attract each other. Thus, two positive charges repel each other, as do two negative charges. A positive charge and a negative charge attract each other.
How do we know there are two types of electric charge? When various materials are rubbed together in controlled ways, certain combinations of materials always result in a net charge of one type on one material and a net charge of the opposite type on the other material. By convention, we call one type of charge positive and the other type negative.
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Video 1: What tools are required to construct geometrical shapes
Video 2: Examples of how geometrical construction tools can be used
Video 3: Common mistakes made when using geometrical construction tools
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This video explores the different types of angles that exist.
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This video explains what polygons are.