Science Revision 123 Word Scramble
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Question | Answer |
How do we see non-luminous objetcs? | Light bounces off them and enters our eyes. |
How did Roemer work out the speed of light? | He observed the moons of Jupiter at different time in the Jupiter orbit. |
Can light bend around objects? | No, light takes the quickest path between any 2 points. Can't bend either. |
Light can be... | transmitted, reflected or absorbed. |
How rough surfaces affect the reflection of light? | Rough surfaces cause light to reflect in all direction, scattering the light unevenly. |
What is the change of direction of light called? | Refraction. |
When does refraction happen? | When light ttravels from one transparent substance to another. |
How can we split up white light? | Prism. When light passes through a prism the different colours are refracted by different amounts. |
What are colours in the spectrum? | Red, orange, yellow, green, blue, indigo and violet. |
Created by:
kdao
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