1. There’s only one Earth This is a product of the science department of Dartford Technology College

2. Question 1 What do we call precipitation with dissolved pollutants such as sulphur dioxide? Polluted rain Alkali rain Neutral rain Acid rain

3. Question 2 The layer of gas that surrounds the Earth? Atmosphere Oxygen Nitrogen Carbon dioxide

4. Question 3 What do we call an unbalanced account of a problem? Unbiased Biased Fair Undistorted

5. Question 4 The general weather conditions are known as? The temperature The climate The dampness The drought

6. Question 5 A chemical reaction between a fuel and oxygen that gives out heat energy? Combustion Distillation Desalination Photosynthesis

7. Question 6 When a fuel burns with agood supply of oxygen to form carbon dioxide and water we call it? Global warming Complete combustion Incomplete combustion Fractional distillation

8. Question 7 Crude oil is a mixture of ? Methane and Ethane Ethanol and Methane Hydrocarbons Fluorocarbons

9. Question 8 What do we call the process of turning salty water into fresh drinking water? Combustion Desalination Photosynthesis Viscosity

10. Question 9 What process tears a compound apart using electricity? Electroplating Electrolysis Electronegative Electropositive

11. Question 10 The type of alcohol found in alcoholic drinks? Methanol Propanol Butanol Ethanol

12. Question 11 Which of the following are all fossil fuels? Coal, oil and wood Oil, coal and wood Oil, gas and coal Gas, oil and wood

13. Question 12 What do we call an unpleasant mixture of fog and smoke? Fooke Smoog Smofo Smog

14. Question 13 A black deposit of carbon produced by burning that we call? Black powder Coal Peat Soot

15. Question 14 What do we call a rise in temperature of the Earth that could lead to climate change with more storms and droughts in different parts of the world? Global price rise Global profit Global warming Global change

16. Question 15 Give a word that means to use the same material over and over again? Retread Recycle Rematch Rebuild

17. Question 16 What do we call something that is left behind for example the ash left when we burn wood? Recipe Recycle Residue Residence

18. Question 17 What do we call the thickness of a liquid? Viscosity Viscount Viscera Vicious

19. Question 18 What do we do reduce friction in an engine or a wheel that sticks? Clean Lubricate Liquidate Annihilate

20. Question 19 What do we call development that involves balancing the need for economic development, standards of living and respect for the environment? Normal development Standard development Suitable development Sustainable development

21. Question 20 A process in plants that converts water and carbon dioxide into glucose and oxygen? Osmosis Transpiration Phototropism Photosynthesis

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