Scienceific Method Review

Scienceific Method Review

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  • Hypothesis:
  • What is it?
  • Does radiation effect the number of beans that can grow?
  • I have a question.
  • Hypothesis:
  • I don't know. Let's find out. But first, we need to make an educated guess: a hypothesis.
  • If the number of grown beans is effected by radiation, then it's reasonable to not put the beans in radiation, because it effects how much the beans can grow.
  • Okay, well I think that the radiation will affect the bean's growth rate. So we can say it like this.
  • Independent and dependent variables:
  • Good. Now we need to think of the independent and dependent variables.
  • Okay. So the independent variable must be the radiation and the dependent must be the number of grown beans because that's what the radiation is effecting.
  • IV: Radiation (seconds) DV: Grown beans (#of beans)
  • Constants and control group:
  • Right. Now, constants and the control group.
  • The constants are: same amount of sun, same amount of time left to grow, same amount of water, same constant temperature.
  • The control is the group of beans that receive no radiation.
  • Okay. Well our data showed us that... 1. Beans with no radiation= 88 grown beans 2. Beans with about 3 seconds of radiation= 54 grown beans 3. Beans with six seconds of radiation= 26 grown beans.
  • If there where a data table, it would show that the 88 bean column is the biggest, the 26 beans the shortest, and the 54 beans in the middle.
  • Now the last thing we need is the data table and chart.
  • Data:
  • So, our hypothesis was correct: radiation does effect the number of beans that grow. No radiation= lots of beans. Six seconds of radiation= 26 beans, less beans. So, basically, DO NOT out beans in radiation. We solved our hypothesis.
  • The only thing left is the conclusion:
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