The PPT has carefully selected colours to play tricks on your learners! You must keep the swf file in the same folder as the PPT, or the activity will not work when you get to that slide!
Give green + red filters to your learners to put in front of their eyes. Then, sit someone with green filters near someone with red filters, etc!
Make filters by buying 3D glasses and cutting them in half. Then, stick two green 'lenses' together to make green filter goggles, and do the same for the red goggles.
Have fun, you kids will love this activity and it is a definite winner during open days too
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