This is the first 1,000 characters of 792 words (3.17 pages) in the essay titled Plants
Have you ever wondered why your plants in your house and outside lean towards the sun. In my project I hope to answer why this happens. I am going to be using lima beans to do this with. The Greek philosopher Aristotle may have been the first to attempt to explain the processes of photosynthesis and food production. He believed that plants could obtain from the soil all the components required for growth. The cycle was completed when organisms perished and became reincorporated into the soil.
This view was not seriously challenged until the 17th century with the experiments of Joannes Baptista van Helmont, a Flemish physician. He carefully measured the weight increase of a willow planted in soil, to which he periodically added only rainwater. The plant increased in weight by 77 kg (169 lb), and the soil decreased in weight by 57 gm (2 oz). He concluded that it was water, and not substances in the soil, that provided plants with their growth material. Later, in the ear...
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