Tutor profile: Arielle S.
What is the main difference between writing a narrative an expository, or evidence based, paper?
A narrative essay should seek to use the science of storytelling to engage the reader in the same mental processes the protagonist is going through; this is called mental mirroring. There are three distinct steps in this process, or components your writing must include. Writing should be geared toward particular moments and include specific dialogue. On the other hand, expository writing should follow an argument-based approach, using a thesis to outline an argument that is followed by supporting details with evidence and reasoning. Expository writing should always include counter arguments that are refuted with evidence, which can be organized in different ways depending on the subject matter, audience, and intention of essay.
Why does heart rate increase when exercising?
During exercise, the cells in the body are using more energy to enable a higher level of activity. As a result, the cells need to create more ATP (energy), which requires the breakdown of sugar (glucose) molecules. In order to do this, the cells need to conduct cellular respiration. Cellular respiration converts biochemical energy stored in glucose sugar into ATP and waste products water and carbon dioxide. However, in order to do this, the reaction requires oxygen. Therefore, in order to get more oxygen into the body, the breathing and heart rate increase. The final step is getting the oxygen to the cells so they can continue cellular respiration to make ATP. The oxygen is carried from the lungs to the cells of the body through the circulatory system. The carbon dioxide waste is carried out of the cells and back to the lungs in the same way; it is then exhaled as waste. The respiratory and circulatory systems work together to provide cells with the reactants they need to make ATP energy. The heart rate increasing is a critical part of this process, as it allows the body to deliver oxygen and remove carbon dioxide at a faster rate.
What models most effectively engage students in problem-based, investigative learning?
The 5-E lesson format effectively engages students with different learning styles through an investigation formatted lesson. Students move through the 5 lesson components, which are built to draw upon prior knowledge and experiences, build content knowledge, apply understanding, and check for standards mastery. The 5 stages include: engage, explore, explain, elaborate, evaluate. This lesson structure can be applied across content.
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