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The Scientific Method
Terms in this set (10)
The _______ is a process that scientist use to _____ and ____ questions. This method helps scientist explain how things happen in the natural world. Scientist make sure that others can ____ ____ their procedures so that the outcome can be checked by other scientist. The first step in the scientific method is to make an observation and ask a question. These two steps can be combined as ______________. ( there was a little grass in the valley and the goats were hungry. How could they cross the bridge?)
Investigate and answer
Identify the problem
The second step is to do _____ to find out as much information about the question or problem they are trying to answer. ( they researched about the troll by finding out that trolls are not very smart but are very greedy).
In the third step, scientist have to use all of their knowledge they gained during their research to _________. A hypotheses is a ______ and ________ to answer the questions or problem. It is a _______ about the problem that can be tested to find out if it's true (They would trick the troll because of his lack of intelligence and immense greed).
Form a hypothesis
The fourth step is to actually ____________ by conducting an experiment. All steps in the experiment must be ____ in order. Sometimes a ____ can be made to help complete the experiment. Experiments should be repeated at least _____ times to be considered reliable. ( The goats began to cross the bridge one at a time).
Test your hypothesis
During this part of the scientific method, _____ must be controlled. Variables are factors that can be ____ in an experiment. (The three goats, the trolls hunger, the comments said the troll).
______ variables are variables that change ( the three different goats and the three different comments made to the troll). _____ variables are factors that change based on the independent variable ( the responses that the troll gave the first two goats as opposed to the third goat).
______ factors are factors that do not change and are not tested ( the same bridge, the same hillside).
The fifth step is to ________ in this step the results need to be shown in _____ or _____ form and all data needs to be documented and all measurements must be _____ (graph the amount of time each goat spent on the bridge speaking to the troll.
Analyze your data
Chart or graph
The final step is to _________. In this step the scientist uses all knowledge gained to determine if the hypothesis was proven correct or incorrect based on their _________, ________ and _______ of the data.(using all the information, their hypothesis was proven correct because the Billy goats were able to trick the troll and were able to cross the bridge to get to the hillside to eat).
Research, experimentation and analysis
It is _______ for the conclusion to show that the hypothesis was either proven or disproven.
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