how to make.ppt

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Beer, Yoghurt andHow to Write Exams

Lecture 12

Feb 4, 2005


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How to make your own yoghurtBring about 1-1.5 L of milk (more fat will make a richer endproduct) almost to a boil on the stove

Let cool to room temperature

Stir in 2 tablespoons of starter culture. Mix well with a whisk.

You can use plain yoghurt from the supermarket for the first

batch. Make sure it hasAcidophilusand Bifidum Put in oven at F for 3 hours

Transfer to refrigerator overnight. Yoghurt should be done in

the morning

This yoghurt has no preservatives or sugartherefore keep itin the fridge, eat quickly with jam, syrup, fresh fruit, berries etc.

Tastes amazing with Indian food or make tsaziki sauce.

Save a few tablespoons to use as starter culture for the next

batch. Dont eat it if its pink, green or smells funny!


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How to make your own beer!

Purchase a kit from a make your own place

Procure yourself a fermentorbig plastic bucket (around 25Lis ideal)

Sterilize your fermentor and stirrer with a weak bleach

solution, then rinse out well with hot water

Pour 3.5L of boiling water + can contents into fermentor.Add 1kg of sugar source (sucrose, corn sugar, honey, mixture)

Fully dissolve sugar and malt extract

Add cold water to a total of 23L

Stir in yeast packet Cover the fermentor, incubate at 18-21C for about 6 days.

Keep away from light. Fermentation is complete when bubbles

no longer rise


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Sterilize bottles with mild bleach, rinse with boiling water.Plastic soft-drink bottles are ideal.

Siphon off fermented liquid into a new sterilized large

container. Yeast residue is left behind.

Mix 33 teaspoons of sugar source into the fermented liquid

Siphon beer into bottles leaving at least 1 inch of space at the

top

Cap tightly and continue to ferment at 18-21C for 5 days.

Keep away from light

Transfer to fridge and enjoy! Beer will improve with time.

Sterility is extremely important. Sterilize your equipment

carefully and keep your grubby hands out of it until its done!


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Study skills

Dont save all of your studying for the last minute!Cramming is the worst way to remember material

Review your lecture notes as soon as possible after the lecture

the longer you wait the less you will understand

Repetition, repetition, repetitionBetter to review your

material daily than to study really hard for 8 hours straight

Try to get the same material from different contextslecture

notes, textbook, Internet resources, friends notes etc.

The best way to learn material is to teach itexplain thingsaloud to a study partner

Theres a difference between understandingand knowing

Get a good nights sleep before your exam


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Wear something comfortable but nice to your exam

look smart, think smart, be smart

If youre allowed, bring a bottle of water and a snack

Bring lots of pens and pencils, erasers etc. NO

CALCULATOR

The only thing you should look at the morning of

your exam is the material you absolutely must

memorize

Exam tips


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When you get your exam paper:

1) Do not start writing answers immediately2) Briefly look through the examwhat types of questions?

What is the exam about? How long? Etc.

3) Scribble down any required pathways, equations, structures

ASAPyou might not remember them in 30 min

4) Decide on the order you will answer the questions:

Firstquestions you guarantee you know the answer to (fast)

Second- questions worth lots of points

Thirdquestions you arent entirely sure about

Lastquestions you dont know the answer to


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Read the questions carefullymake sure you know what it

is asking of you (what might an answer look like?)

Never leave a question blank! In the last 2-5 minutes, write

your best guesses for questions you cant answer.

Multiple choice

If the choice makes the sentence grammatically incorrect, itprobably is not the right answer

Unless randomized by computer, B+C > A+D

All of the above None of the above is correct more often

than by probability

Multiple choice tests recognitionif youve never heard of

it, its probably not correct


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Short answer, mini-essay

Extra-important to understand what the question is asking

writing things down that are TRUE doesnt mean itconstitutes an appropriate answer

Make yourself a short schematic before you write down the

final answer

Ensure your answer has a logical progression, not just anassembly of sentences

Answer every part of the question but try to avoid

extraneous informationdetracts from your answer

Your instructor can tell when you dont know the correct

answeryour job is to convince me you DO.

If you dont know all of the answer admit that you know

part, but that you dont know part: Youll get partial points


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If you have no ideawrite down everything related to the

question and hope you hit on something. Be aware that thecorrect answer embedded in rubbish does not look good

Experimental design questions

Point form, flowcharts are great

Logic is extremely importantwhy does this work?

Diagrams, figures are often very helpful


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Drawing questions

Artistic ability is not required. Instructor is looking forparticular elements:

1) Graphs have titles, properly labelled axes and units

2) Trendlines etc. go in the proper direction and are correctlyidentified

3) Actual drawings have labels identifying components


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