Science Weakness Revision
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How do we see non-luminous objetcs? | Light bounces off them and enters our eyes.
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| How did Roemer work out the speed of light? | He observed the moons of Jupiter at different time in the Jupiter orbit.
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| Can light bend around objects? | No, light takes the quickest path between any 2 points. Can't bend either.
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| Light can be... | transmitted, reflected or absorbed.
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| How rough surfaces affect the reflection of light? | Rough surfaces cause light to reflect in all direction, scattering the light unevenly.
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| What is the change of direction of light called? | Refraction.
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| When does refraction happen? | When light ttravels from one transparent substance to another.
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| How can we split up white light? | Prism. When light passes through a prism the different colours are refracted by different amounts.
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| What are colours in the spectrum? | Red, orange, yellow, green, blue, indigo and violet.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
kdao
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