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Cool Optical Illusions. Creative Activities That Make Math & by Anders Hanson

By Anders Hanson

Notice mystery math and technological know-how tips to developing paintings! This identify introduces younger readers to the sciences, with an inventive twist. Math and technology academic pages are interspersed with cool optical phantasm actions that supply sensible functions of the data scholars study at school. All actions contain how-to photographs, effortless directions, and transparent motives. toughen universal middle criteria in interpreting, math, and technology, whereas making cool artwork tasks, from afterimage illusions to distorting illusions. Aligned to universal middle criteria and correlated to kingdom criteria. Checkerboard Library is an imprint of ABDO Publishing corporation.

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Something that seems to be both possible and impossible. a list of things to choose from. having to do with the way the body works. M EN U – DISTORT – to twist out of a natural or normal shape. PA R A DOX – P H YS I O LO G I C A L – OV ER ST I M U L ATE D – something that appears real, but is not. IL LUSION – to stick something into something else. INSERT – having received too much of something, such as light or sound, that affects the senses or other bodily functions. one of the sharp points of a fork, tool, or antler.

2 Continue filling in large black squares in a checkerboard pattern. Fill one whole sheet. 3 Add two white dots to each black square. Put the dots in opposite corners. On some squares put them in the bottom-left and upper-right corners. On others, put dots in the bottom-right and upper-left squares. Group similar dot patterns together. 4 Hold the finished checkerboard at arm’s length. The straight pattern will look wavy! 3 28 1 CAFE WALL ILLUSION 1 Use a black marker to make thick vertical stripes on graph paper.

Every other strip should be one small graph square to the right. 4 When finished, the straight lines look bent! 3 29 MATH TERMS 2-D – flat or having only two dimensions, such as length and width. the color opposite from another color on a color wheel. having length, width, and height and taking up space. F R EQUEN CY – 3-D – a visual sensation that appears after looking at one image for an extended time. COM P L EM EN T – the number of sound or light waves that pass one point within a certain time.

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