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 (i) From the intensity waves above determine whether or not the conclusion above each intensity wave is correct. Justify your answer quantitatively.

A)  From using division you can find out whether the waves are correct or not. To do this you must divide and see if the number is correct. An example 15/13x2=2.3, You divide 15/13 because you want to find how many chirps there are in a second and since it says two seconds in the bottom you 2x the answer giving you 2.3. And now looking back to the graph showing all the chirps, you can see there are 2.3 blocks of chirps on the graph so this means it is correct. You then use the same division 2x formula for the other chirps and looking back to the graph can you see the answer in the number of blocks of chirps. Once completing them all and looking back to the blocks of chirps, it is concluded that they all support the graph and the graph is correct.

neo: (ii) Verify whether this information supports the information presented in the table in question 1

A) Firstly to find whether the information supports the table in question 2 you must firstly match the hot temperatures of chirps and find the speed of chirps to match them. So firstly match the hot temperatures so for the blocks of chirps in Q3 it is 49 chirps per 13 seconds, and on Q2 100F is the hottest temp and it is 250 chirps. With these two parts of information you can divide them to find out how many chirps there are. So firstly do 49/13=3.769, this means there are 3.769 chirps in a second. But since there are over 60 seconds in one minute and the 250 chirps on the Q2 graph where over 1 minute you must multiply by 60. So 3.769x60=226.15 chirps. With 226 chirps in one minute it nearly matches 250, but although it is a close answer it doesn’t support the 250 chirps presented in Q2.

neo: (iii)  Develop a ‘rule of thumb’ equation that links the information above and the temperature of the Fahrenheit. 

A) The rule of thumb for this equation is that: When the temperature increases the number of chirps will increase.

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