Question

section 2 review

1. identify fill in the missing steps in the table

steps in scientific method
form a hypothesis
test the hypothesis

1. infer a synonym is a word that has the same meaning as another word. what are two synonyms for hypothesis?
2. interpret a graph according to the graph, at what flapping rate was proteus least efficient?
3. define what is a controlled experiment?
4. describe how can a scientist do a controlled experiment if it is not possible to use several different groups?
5. explain how can a scientist test a hypothesis if it is not possible to do a controlled experiment? give two ways.

Explanation:

1. The steps in the scientific - method typically include making an observation, forming a hypothesis, testing the hypothesis, analyzing the data, and drawing a conclusion.
2. Synonyms for "hypothesis" are "conjecture" and "supposition". They all refer to an idea or assumption made as a starting - point for reasoning or investigation.
3. To determine the flapping rate at which Proteus is least efficient from a graph, one would look for the point on the graph where the relevant measure (e.g., energy consumption per flap) is at a maximum. Without seeing the actual values on the graph, we can't give a numerical answer, but the general method is to identify the peak of the curve related to inefficiency.
4. A controlled experiment is an experiment in which all variables except the one being tested are kept constant. This allows the scientist to determine if the variable being tested has an effect on the outcome.
5. If it's not possible to use several different groups, a scientist can do a controlled experiment by using the same group at different times. For example, measure the group's response before an intervention (control condition) and then measure the response after the intervention (experimental condition).
6. If it's not possible to do a controlled experiment, a scientist can test a hypothesis through naturalistic observation (observing phenomena in their natural setting) or through computer simulations (modeling the situation and running virtual tests).

Answer:

1. Make an observation; Analyze the data; Draw a conclusion
2. Conjecture; Supposition
3. Identify the peak of the in - efficiency related curve on the graph (no numerical answer given without graph values)
4. An experiment in which all variables except the one being tested are kept constant.
5. Use the same group at different times (e.g., pre - intervention and post - intervention).
6. Naturalistic observation; Computer simulations