Big Systems
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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| Solar Radiation | Around 100 trillion Watts or solar energy (light and infra-red rays) hit the Earth. That is around 1.3 kW/m2.
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| Cosmic Radiation | These are high energy sub-atomic particles. Small in overall bulk that may affect Earth such as triggering lightning.
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| Comet hits | These rarely happen now, but have occurred in the distant past. This must have been where most of our water came from originally.
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| Dust hitting Earth | This could be as low as 5 tonnes per day, but could be several hundred tonnes. We don't know.
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| Heat Leakage | Heat as infra-red rays.
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| Gas Leakage | 3kg H2 and 50g He per second.
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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:
LukePalmer
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