AIYAH

Ok... despite my promises... I have not picked one yet!! Sigh... I haven't got a clue what is suitable or not. Maybe I'll ask Ms Zhang on Monday, because at the moment I'm stuck. Unless, of course, Ms Zhang comments.
Well, I've been doing a bit of research on each thing anyway. So...

• For the caffeine effects on the body, the independent variable is: time between when the coffee is drunk and when the tests are taken and finished; the dependent variables are: effect of the caffeine on the drinker; the controlled variables are: people chosen (regular coffee drinkers, non-regulars, non-drinkers), type of brew (cuppacino, latte, etc.), amount of caffeine and sugar and amount given to drink
• For the basketball net, the independent variable is: weather conditions; the dependent variables are: the number of hoops scored; the controlled variables are: the skill of the thrower, the position of the thrower, the presence of the net, the type of ring (double-ring or single-ring) and number of throws
• For the watering a plant with caffeinated water, the independent variable is: time; the dependent variables are: the rate of growth and effect of the caffeinated water on the plant; the controlled variables are: the amount of caffeine in the water, the type of plant, the amount watered and environment
• For the erosional effects on soils, the independent variable is: time; the dependent variables are: the effects of the erosional technique on the soil; the controlled variables are: the erosional techniques used and the type of soil
• For the pH of juices, the independent variable is: time; the dependent variables are: the resulting pH levels of the juice; the controlled variables are: the brand and type of juice, the storage temperature, the storage area and storage container

For the plant and caffeinated water idea, I might use seeds instead of plants, and measure the speed of germination and growth.

I don't really know what the independent, dependent and controlled variables are for building a telescope, maybe the materials used and so on.

I need to do more research on all these ideas. I'll start tomorrow, and hopefully I can work out something on what to do or whether the things I've said above are correct. But I must be going now, so...

Goodbye and goodnight! :)

ONE STEP CLOSER

Ok, I haven't decided what I want to do just yet, but I've set myself a deadline of tonight.
Tonight I shall have a SRP project.
I will do this! But I am one step closer, right now, to choosing an idea. It seems as if people like the idea "How caffeine affects the body - heart/pulse rate, breathing rate, body temperature, typing speed, typing accuracy, etc."
The few others that I have chosen to consider are:

• How and what materials are best to make a working telescope
• Whether the absence or presence of a net affects a free throw in basketball
• Whether watering a plant with water containing caffeine affects the plant, and whether watering a seed with caffeinated water affects germination
• How different erosional techniques affect different types of soil
• Whether storage temperature, area of storage, type of storage and time affect the pH level in different types of juice

So by tonight I WILL have the idea for my SRP. I'll be back :)

IDEAS FOR THE SRP

Well, I've been looking at ideas for a long time, and I've finally come across a few that I think are pretty interesting. Actually, originally I had a lot of ideas, and they generally fell into the categories of Biology, Chemistry and Engineering. These branched off into various branches, like health science, astronomy, environmental science and so on. I've been having trouble trying to narrow down my list of ideas but these are the ones I'm most interested in:

ENGINEERING:

• How and what materials are the best to make a working telescope
• How to build a sensor to detect the presence of a magnetic field
• How to make a working solar panel
• How to build a working electrochemical battery and how it can be made more efficient, with a highter output

HUMAN BODY:

• How caffeine affects the body - our typing speed and accuracy, body temperature, breathing rate, heart/pulse rate etc.
• Whether the absence or presence of a net affects a free throw in basketball
• Whether energy bars/energy drinks/sports drinks affect performance, and whether or not different energy bars have different levels of efficiency - affect reaction time, energy level etc.

PLANTS AND ENVIRONMENTAL:

• Whether magnetism affects the growth of a plant, and whether the position of the magnet or a magnetic field affects the plant growth or the germination of a plant
• Whether watering a plant with water containing caffeine affects the plant, and whether watering the seed with caffeinated water affects germination
• Whether ash can enhance plant growth and what plants grow best in ash and soil combined
• What chemicals affect algae in what ways, and what is best for algae to grow
• What different factors affect germination of a seed
• How different soils are affected by erosion OR how different erosional techniques affect a certain type of soil
• Whether pH of rain varies according to the season

FOOD:

• Whether different types of mould grow on different kind of bread, and what conditions cause what bacterial growth fastest etc.
• Whether storage temperature, type of storage, and time affect the pH of different kinds of juice
• Test bottled water for impurities and compare the impurities (e.g. lead) between different brands of bottled water, and whether there is evidence of leaching of hazardous chemicals from the plastics of the bottle over time

It's still a lot of ideas, but I am particularly interested in building something, like a telescope or a solar panel, but I'm not sure whether or not it's a good idea to choose something like that. The ideas above are the ones I like the most, but I don't know which to choose. If anyopne has any opinions or advice they can give me on what might be the best idea, I'd really appreciate it.