Science(Fuels)
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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| What is a fuel? | A substance that burns in oxygen to produce heat
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| Name the products present in fire | Fuel, heat and oxygen
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| How are fossil fuels formed? | From the remains of organisms that lived millions of years ago
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| What is a hydrocarbon? | Compounds made up of hydrogen and carbon
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| What is the greenhouse effect? | When heat from the sun gets trapped in the carbon dioxide and other gasses. The temperature of the earth rises . Levels of carbon dioxide are rising due to the burning of fossil fuels
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| How is acid rain formed? | When carbon dioxide dissolves in the atmosphere to form acid witch has a pH of around 5.5
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| What is nitric acid? | When car exhaust exit oxides of nitrogen. When they dissolve in water vapour in the atmosphere.
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| What type of stone does acid rain attack? | Limestone
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| What other things does acid rain attack | Tress and animals
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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.
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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:
Chimozukee
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