About:
Students outline their method, results and evaluation of an investigation into the effect of the interval between staining and soaking on the eventual stain removal of clothing.Captions:
Music
Student: My name is Jasmine, this is Caitlyn and that's Adam and we are MyScience group three.
Student: Our hypothesis what was that putting stained clothes in the wash immediately prevents staining. Well, we made sure that the tomato sauce that we poured on each of the white shirts that were the same size was a full cap and it wasn't different at all and that the bucket of water it had five litres like it said on the Dynamo and everything was the same.
Student: Well, we have to get the tomato sauce open the lid and then tip it in and then we put it on the shirt and then we smudge it, like we fold it and smudge it over then we put it in there and start washing it and we put it in at different times.
Student: We put the shirt in the bucket with five litres of water and half a cup of Dynamo and we leave it in there for half an hour for it to soak and then we take it out and let it dry and then we look at the results.
Student: These are the results that we came out with and the shirt that we put in immediately had the best result. We got the results by using a colour wheel, we got this off Google Images and it just shows the colour of the T-shirts. That's the colour of immediately and that was normal white. The half an hour one was a bit darker and the one hour one was around a yellowy orange colour and twenty four hours was the most stained. So, yeah they were our results.
Student: They told us that our hypothesis said that putting clothes straight into the wash after they've been stained prevents the staining of the clothes, it told us that the hypothesis was correct.
Student: Well, if we had to do the test again we would probably go with our plan from the start by using tomato paste instead of tomato sauce because I forgot to bring the tomato paste in so we had to go with tomato sauce and also the timing wasn't very accurate because we had to keep stopping and starting and instead of putting one of the shirts in for thirty minutes or half an hour, we only got to put it in for twenty five minutes. So, we would probably want to like do it as we wanted to do it and we would probably use a better way to show the results instead of a colour wheel like maybe a type of graph or something.
Notes:
Students outline their method, results and evaluation of an investigation into the effect of the interval between staining and soaking on the eventual stain removal of clothing.