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Effect of acid rain on germination of cress seeds
Member rating: No Rating | Words: | Submitted: Wed Feb 16 2005
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Effect of acid rain on germination of cress seeds Aim: to investigate that how the acid rain affects the germination of cress seeds. The factors that effect the germination of seeds are: * Temperature * Acid rain * Oxygen * Water I will just see what effect does the acid rain have on germination of seeds. Apparatus: * Petri dish (11) * Cress seeds (20 11) * Sulphuric acid (70cm³) * Distilled water * Measuring Syringes (11) * Beakers * Filter paper (11) * Specimen tube (11) * Pipette Diagram: Method: 1. I collected all the apparatus needed (see apparatus list). 2. I made a dilution series (see dilution series). 3. Placed the filter paper in the bottom of the petri dish. 4. Took 10cm³ of diluted acid from dilution of 0.010 and labelled it 0.010. I repeated this with every single dilution and petri dish. But wash the syringe with water so there is no acid in the specimen tube. 5. Picked 20 cress seeds for each petri dish...
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