Wednesday, May 12, 2010

Climate Graph


Here's the climatic graph
Sorry about the quality, I took the photo on my phone



Method:
1. Place bottom of 30cm ruler at top of subjects' hand (0cm near the hand, 30cm at the top)
2. Drop ruler and wait for subject to catch
3. Measure length from top of subjects' thumb to bottom of the ruler
4. Record results in table (as shown in previous post) and any observations
5. Repeat experiment three times for each subject


P.S. Unfortunately I didn't have the time to finish off the girl part of the experiment at school today and I forgot about it yesterday. So apparently writing it on my hand isn't exactly helping me remember.






Monday, May 10, 2010

tomorrow, it's only a day away

I was actually planning to finish off the girl part of my experiment today
but my memory failed me. Stupid transition from year nine to ten! I will get the hang of it though, don't you worry! & hopefully I will remember to ask my friends to help me out with my experiment tomorrow. I want to finish this experiment as soon as possible so I can go over it and correct it and make adjustments.
Wish me luck

Monday, May 3, 2010

Experiment - Take one


So I did my first experiment yesterday with the help of youth from my church.
I got 12 boys and 4 girls and here are my results so far




Sorry about the size but I couldn't get it any bigger without it being blurry and even harder to read. I'm planning to finish the rest of the experimenting for the 'females' at school as there's definitely no shortage there

P.S I just noticed that the results for the last three male test subjects got cut off, my bad






Wednesday, April 14, 2010

Distance or Time?

I'm hoping to do my experiment before the holidays end. It should take no longer than a day if I can get all 15 males and females over (most likely church friends). I'll also need to get all the teenagers (anyone under 18) to get their parents to write me a note saying that they are allowed to take part in the experiment, or I could write one up and have them sign it. For now i'm going to do some more research on reflex actions and the ruler drop

This experiment is based on the subjects' reaction time, so is this one but it also has a reaction time table to convert your measurement in cm to a reaction time in seconds. This website has a formula that I can use to convert the distance on the ruler to a reaction time. So now i'm thinking that maybe I can use time as one of my variables, hopefully this formula is accurate. What do you think Ms Zhang?

Saturday, April 10, 2010

My Experiment

Aim: To find out which gender has faster reflex actions
Hypothesis: Males have faster reflex actions than females
Independent Variable: Gender
Dependent Variable: Length (cm)
The experiment will be repeated three times for each test subject and there will be 15 males and 15 females.
I want to make sure this is a legit experiment before I go ahead and do it and that both my variables are right in relation to the experiment, so if you could let me know once you've seen this Ms Zhang. Thankyou!

Monday, April 5, 2010

the ruler drop

Ms Zhang was telling me to have a look at facial reflex actions but i'm not quite sure how I would test that. So far I'm just thinking that the ruler drop test would be my best bet. And since it's a quick experiment I don't think it would be smart to have 'time' as one of the variables, I thought 'distance (cm)' would be better. As in, how many cm have passed before the subject has grabbed the ruler

Wednesday, March 17, 2010

Accuracy

So the other day I got thinking, "what if all my test subjects
were the same age for the gender experiment?"
I'm guessing it will make the
results more accurate but it'll also be harder to do, what do you think?
Should I go find 15 males and females aged 15/16 or just leave it how it was?

Scientfic Sarah Signing Off