Strategies for writing an effective introduction. Start by thinking about the question (or questions) you are trying to answer. Your entire essay will be a response to this question, and your introduction is the first step toward that end.
A: Plants release oxygen as a by-product of photosynthesis, a process in which carbon dioxide is converted into sugar. The sugar is then used as an energy source for the plant. When oxygen is produced through photosynthesis, it is released by the plant into the atmosphere. The sugars produced by photosynthesis are utilized by combining them with oxygen through a process called oxidation. Photosynthesis chemically converts sunlight into energy after being collected by special cells in their leaves known as chloroplasts.
In what part of the plant does photosynthesis take place? What do plants use the sun's energy to manufacture? What do they use the energy stored in glucose for? What gas do animals exhale and plants take in? What do plants use this gas for? What gas do plants give off and animals inhale? What do animals use this gas for? Why are plants called producers? 4. Have students write a recipe for making glucose and include a picture of each of the ingredients. 5. Discuss the following question: Why are plants critical for the survival of animals? What do they make that animals need? 6. Optional. Have students record the growth of several plants, each exposed to a different amount (duration and/or ...