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Recently, Earl attended a picnic at his daughter’s school. The picnic was a potluck, and the...

Recently, Earl attended a picnic at his daughter’s school. The picnic was a potluck, and the food was served outdoors. Contributions included hamburgers, hot dogs, baked beans, potato chips, potato salad, coleslaw, apple pie, and vanilla ice cream. Within 24 hours of the picnic, several attendees developed symptoms of food poisoning. Of the 50 people who attended the picnic, only 30 people became ill. Every person at the picnic ate something, but not every person had an opportunity to sample each item. Earl noticed that the potato salad he started to eat was warm. He also noticed that his hamburger was somewhat pink in the middle and not fully cooked. Earl wonders if eating the hamburgers or the potato salad could be responsible for making some attendees ill. Earl has begun to apply the scientific method to this common problem. Answer all three of the following prompts in at least 75 words.

1. What is Earl’s hypothesis? How did Earl create his hypothesis?

2. Describe the steps of the scientific method Earl utilized.

3. How could Earl use the scientific method to create an experiment to determine which food sources made people sick?

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Answer #1

1. Earl must do his treatments on potato salad and hamburgers to determine which of these caused people to become sick. why only potato salad and hamburgers because it is technically difficult to do treatments on  all the food samples and it had already 24 hours passed. And not everyone had every food samples. and Only potato salad and hamberger showed some differences than other servings. Earl's hypothesis is , the ones which show changes from their normal appearance in which they are supposed to be , should be the cause of sickness.

2. Steps of scientific method Earl utilised:-

  • He must have find the cook of both hamberger and potato salad.
  • Secondly he must seek the information regarding the ingredients used and way of cooking.
  • He must have repeat those steps to remake those samples to see whether the problem is in the composition of the food.
  • He must have taken the details regarding how the food was kept before being served.
  • From these methods he would have gathered the information and prooved which caused sickness, warm potato salad or uncooked hamberger.

3. Earl can use the scientific method to create an experiment to determine which food sources made people sick for example we are taking hamburger as example. Provide the people with a portion of the same as served in the party along with other foods. If people gets sick it means the sickness is caused by hamburger.

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