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Graphics

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Teacher’s notes included in the Notes Page

Flash activity. These activities are not editable. Web addresses

Icons key: For more detailed instructions, see the Getting Started presentation

Functional Skills check

Student task accompanies this slide Printable activity

The difference between bitmap and vector graphics.

Different image file types.

The processes involved in editing and creating images with graphics software.

Some of the ways that graphics are used.

This lesson will cover:

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What are graphics?

Can you think of five examples of graphics you have seen so far today?

Graphics can assume a variety of forms:

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Obtaining images

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Drawing software uses vector graphics. Instead of containing pixels, a vector image is made up of shapes (sometimes called objects). The shapes are made from points which are then connected by lines drawn mathematically.

Drawing software

Which of these two shapes is a vector image?

This is a vector graphic. Points are connected using a mathematical formula.

This is a bitmap graphic. Thousands of pixels are filled in either black or white to draw this circle.

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Bitmap and vector images

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File formats

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Tools for editing

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Using basic image editing tools

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Effects

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Using layers

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Using graphics

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Web graphics

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Functions of web graphics

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Summary quiz