Science

Science

Testing for protein

Aim: To test if a sample of food contains protein.

Equipment: Test tube, Sodium hydroxide, Copper solfate, food sample.

Method: 

Place 2 ml of sample into a test tube and add 5 drops of Sodium hydroxide.

Add 5 drops of  Copper solfate.

Shake the test tube gently from side to side. 

Results: If solution remains blue then no protein is present.  If solution changes to a purple colour then protein is present.

Conclusion: When My group did the egg yolk it didn't do anything because these's no protein in it. When we did the milk it also didn't do anything just stayed like that even though it's suppose to turn purple.

Science

Testing For Simple Sugars  - Benedict's test

Aim: To test a sample of food to determine weather it contains simple sugars.

Method:
Place about 2 ml of the sample into a test tube and then add 5 drops of Benedict's solution.
Heat with a Bunsen burner until it changes colour. Do not boil.

Results:
A positive test for a simple sugar results in the Benedict's solution changing from a blue colour to a orange colour.
No colour change is a negative result.

Discussion: The apple changed colour so it's a orange colour.

Conclusion:  We tested the sample of food to see if it would change colour and it did.

Testing For Complex Sugars - Iodine Test

Aim: To test if a sample of food contains complex sugars.

Method:
1. Place about 2 ml of the sample in a test tube.
2. Add 3 to 5 drops of iodine and mix.

Results:
If complex sugars are present the iodine solution will change from a brown colour to a blue/black colour. If iodine solution does not change colour then no complex sugars are present.

Discussion:  The bread didn't change colour it was just black.

Conclusion: The bread was brown at the start and didn't change colour.

The keyboard

The keyboard

What is the difference between a keyboard and piano?
A keyboard is an electric instrument and also the keys are lighter.
A piano is an acoustic instrument.

What is the difference between the white key and black key?
Lower and higher pitch.

On a keyboard what does your right hand play and what does your left hand play?
Right hand plays the melody and the left hand plays the deeper notes.

Stevie Wonder facts
He's blind.
In his career he's only recorded one record label.
He can't smell.
He's written a lot of songs for other people.
Been married twice.

Keyboard evaluation:
Overall I liked playing the keyboard because there were lots of songs to choose from. I found it challenging from playing it with my right hand because I'm left handed.

Drama

Drama

In drama we filmed a performance of cats. While we were filming everyone was really energetic and excited. Overall I think the experience was amazing and fun/Here is the video I hope you enjoy.
Link To The Video

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