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Tue 30 Sep 2014

30/9/2014

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Today we revised our chemistry definitions using our flashcards for test that has been moved to tomorrow.
We did a number of experiments:
  • pH tested rainwater
  • did soap test on water samples
  • evaporated water to find presence of dissolved solids in water 
  • used evaporation to separate salt from water

HW students are asked to pH test household substances with Universal Indicator Paper (please stay away from the dangerous ones such as bleach and drain cleaners)
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After pH testing rainwater
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Soap Test to see if Water is Hard or Soft
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Separation by Evaporation
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Dissolved solids in water seen after water has evaporated.
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Salt separated from water after evaporation
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September 29th, 2014

29/9/2014

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Today we discussed and wrote notes on Plastics

Test on Chemistry definitions tomorrow.
plastics_29-9-2014.pdf
File Size: 232 kb
File Type: pdf
Download File

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2006 HL Question
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September 25th, 2014

25/9/2014

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Today we corrected our HW questions on Fuels.

We then discussed and read through the chapter 30 Plastics.

HW: Read the Chapter on Plastics & look at the Bitesize links below.
BiteSize  Plastics Activity
Bitesize Plastics Test
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Syllabus - Learning Outcomes
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September 23rd, 2014

23/9/2014

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Today in the Lab we did a number of experiments
  • We prepared and tested oxygen
  • We prepared and tested hydrogen
  • We compared the reactivity of metals with HCl acid
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September 22nd, 2014

22/9/2014

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Flash cards on Chemistry and Exam papers were handed out today.

 HW Chapter on Fuels Do Questions 6-12.

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Picture
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September 16th, 2014

16/9/2014

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Today we did 2 experiments

  • Growing crystals of copper sulphate

  • Distillation
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Picture
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September 15th, 2014

15/9/2014

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Looked at animation on Bonding
review this for HW (linked below)
Structures and Bonding 
Animated Lesson
We the started Chapter 25 on Fuels
fuels.pdf
File Size: 475 kb
File Type: pdf
Download File

Picture
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September 11th, 2014

11/9/2014

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Today we had a test on the Chemistry Definitions
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September 09th, 2014

9/9/2014

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Today we:
  • Did an experiment comparing ionic and covalent substances
  • Wrote up the experiment (see file below)
  • Reacted Sodium in water
  • Looked at a video of Alkali metals in water (uploaded right)

HW: Look at the 3 videos in yesterdays blog.
covalent_v_ionic_compounds_experiment.pdf
File Size: 863 kb
File Type: pdf
Download File

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September 08th, 2014

8/9/2014

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Today we introduced Covalent Bonding.
covalent_bonding_8-9-2014.pdf
File Size: 368 kb
File Type: pdf
Download File

Picture
Picture

Covalent Bonding

Ionic Bonding 

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