Thursday, June 23, 2011

Freezer

It takes 43mins to cool a can of drink to 10degc by the freezer. Here are the results:
Start: 28.41degc
1min: 28.11degc
2min: 27.5degc
3min: 27.1degc
8min: 23.65degc
10min: 21.92degc
15min: 19.72degc
20min: 18.18degc
25min: 16.28degc
30min: 14.26degc
35min: 12.84degc
40min: 11.42degc
41min: 11.06degc
42min: 10.71degc
43min: 9.50degc
more results coming soon

Sunday, June 19, 2011

about the experiment procedure

ok so this is it erm firstly i will pass the dataloger to sabrina so she might do the experiment first if no one is going to start ok?maybe i would go to her house on sat to see if possible anyone can make it??? try laaa(:

Criterias for Science Project

Hey peeps, when doing presentation for the science project, consider the following:
(taken from E-Learn Portal, Science)

Presentation Rubrics (30marks)

Communication

Ø Visual contact

Ø Confidence

Ø Loudness

Ø Clarity

Explanation

Ø Methods of experiment

Ø Conclusion

Ø Point out difficulties faced

Data Presentation

Ø Appropriate tables, charts, graphs

Ø Visually appealing

Group Effort

Ø Every member presented and answered equally

Ø Each member knows what the other members are doing

Questions

Ø Able to answer questions posed with clear explanations

Engaging the Audience

Ø Presentation is enthusiastic

Ø Presenter demonstrates knowledge at expert-level in this field

Ø Presentation is conversational, rather than memorized.








Report Rubrics (30 marks)

Abstract

Ø Able to summarize the contents of your report;

Ø Able to tell what question you asked, which data and methods you used to research your question,

Ø Able to conclude from your research;

Background information on topic

Ø Able to state purpose of topic chosen;

Ø Creative in choosing of topic;

Ø Able to state question clearly and has a specific purpose;

Ø Able to state expected result based on current knowledge;

Research Method

ØAble to explain the approach you took to answer your research question;

ØAble to state data or protocols you used and how they are useful in answering your question;

ØAble to describe the scope of your research (e.g. time period, area, or specific sites involved);

Data Summary & Analysis

ØAble to write observations clearly;

ØAble to present data in graphs/ charts/ tables etc;

ØAble to use correct measurement units;

ØAble to use observations and data to explain;

ØAble to discuss if hypothesis is correct, and explain the reasons if wrong;

Discussion

ØAble to discuss the strengths and weaknesses of your approach and results;

ØAble to outline what you or others should do to extend or improve your research;

ØAble to impact outside of the classroom;

Conclusion

ØAble to present the conclusions you reached about your research question;

ØAble to explain how you arrived at these conclusions based on your methodology and data analysis, showing your reasons;

ØAt least 5 major references cited;

Wednesday, June 8, 2011

Powerpoint

Hey guys!
Pls look at the powerpoint i sent you and make your own changes and send it back to me.
Sab

Friday, June 3, 2011

ok so who is gonna do the presentation??

part two of the paper

Experimental Procedure setup:1.get 6 cans of soft drink at room temperature and put them in a bucket of ice,bucket of ice and salt,bucket of cold water,bucket of cold water with ice,freezer,fridge.
2.Check the temperature of the cans every minute and the first can to reach 10 deg.c will win the race.
3.repeat another time for acurate teating.
----also if there is no laboratory thermometer,use a dataloger.
Independent Variable:cooling agent
Dependent Variable:the temperature of the can drink.
Controlled variable:6 canned drinks of same temperature,conditions of the room,same amount of cooling agent.

part one of the paper

hey peepo,since i got the paper and would not be in singapore i would post the proposal form on the blog.this is the proposal form......
Group name: SMKYD_SSP class: 1C
name:1.sabrina chau shu ning
2.chin khar yi
3.debbie soh li fei
4.megan leong
hypothesis:A can of soft drink can be cooled the fastest by placing it in the freezer.
expected date of research completion:27 june
Apparatus and Materials needed:freezer,fridge,bucket of ice,bucket of ice with salt,6 canned drinks of the same type,cold water in a bucket,laboratory themometer,stopwatch/timer,bucket of cold water water with ice