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Found 4 results

  1. Hi! I am currently designing my Biology IA experiment to hopefully conduct this week. I am sure that I want to investigate the affect temperature has on blood pressure because I have my own electric blood pressure cuff. My dilemma is that there are many different ways I could study this relationship and all of my methodology ideas so far have been shot down by my teacher. I would really like to see some decent ideas that can help me better develop the ideas I already have. I know there are many risks I have to be aware of because I am using human subjects and that I also need to control the group of people I choose (gender, weight, etc.) These are what I have already asked my teacher about: -Having my friends over at my house for a few hours and I could change the temperature of my house slightly then test their blood pressures (just a time and control of subjects) -I could put the subjects in my car one at a time and change the A/C and heat of my car then record the temperature of the interior using a probe thermometer (my teacher had a concern of carbon monoxide poisoning even though I was going to do this outside anyway) I know there are so many factors that I would have to control like: what they ate that day, their exercise level, etc. It would be great if I could get eliminate the human subjects factor all together but with my topic that would be impossible. Any and all feedback on my ideas so far or possibly new ones would be greatly appreciated
  2. I did a practical on radial hydraulic jumps and I need to explain the theory behind it. I know how to calculate the pressure using pressure=phg formula but I don't know how to relate the water pressure and the velocity of water. I searched for some equations but they are way to complicated and I don't understand which one to use since they seem irrelevant to my situation. Could you please tell me an equation that simply relates the water pressure and its velocity? Also mention what each variable in the equation refers to. Thanks
  3. homie kdot

    cant handle it

    So I started IB this year, but I don't think I can handle it... I got all 5's for my subjects and my parents are really mad... Dear friends I am very sad and being very pressured by my parents... Please give me some tips to be happier, I am thinking of quitting and going on the road... Thanks freds, but I know that I will get up, i wont let the ref get the three count, I will kcik out at 2 and survive... tHanks you for listening to my sob story... btw I am liking JOhn Cena from WWE, if you also like hiim please mesg me ps. if u also listen to 2000's rap and kenrick lamar can u msg me, people dont listen to rap here in India
  4. Hello I'm in the midst of constructing a design lab for my HL class however, I'm sort of unsure on how to go about writing it. The topic is factors affecting heart rate or factors affecting blood pressure. If I find a good factor for one of them, then I'd make my decision if I want to do heart rate or blood pressure. So far I have only considered factors affecting heart rate right now. I think I want to do a lab that addresses the factor of diet or exercise. However, what aspect would I specifically test? This is the part that gives me confusion. I sort of unsure on how to design a lab that refers to one of these and don't know what variables that I would say to test on, etc... I'm kind of panicking right now. :/ Any help is appreciated!!
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