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A In your copy, go investigate. 1. Which famous scientist was mentioned in the text? 2. What colours does a white light split into? 3. Rainbows occur when two things combine. What are they? 4. When do the best rainbow displays happen? 5. What does a rainbow’s position depend on?


B In your copy, give your opinion. 1. How do you think Newton discovered the colours of the rainbow? 2. Why is the angle for each colour of a rainbow different? 3. What do you think a double rainbow looks like? Draw one. 4. Why is there no real end to a rainbow? 5. Why do some people think that there is a pot of gold at the end of a rainbow?


C Vocabulary: True or False True False


1. Nine colours make up white light. 2. To view a rainbow you must turn your back to the sun. 3. Light leaves a rainbow in seven colours. 4. William Shakespeare discovered the colours of the rainbow. 5. After it rains, the air in the atmosphere is filled with raindrops. 6. The angle for each colour of a rainbow is the same. 7. Sometimes it is possible to see a second arc or a double rainbow. 8. Green is the colour on the outside of the arc. 9. Violet is the colour on the inside of the arc.


10. You will find a pot of gold at the end of a rainbow. D Cloze procedure: ‘Rainbow Facts’. Fill in the blanks. Rainbows are


Isaac Newton was a


of colours that can be seen in the who identified the


colours that make up white light. Rainbows occur after a the


is shining. Irish


the end of a rainbow you will find a pot of are: red,


, yellow, green, blue,


. shower when


says that when you reach . The colours in a rainbow and violet.


81


Unit 14 | Explanatory Text 2


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