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Method for testing pH and catalase in liver for Yr 12 biology: I am looking for materials and method for a practical that tests pH and catalase in liver for year 12 biology.

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Publication Date: 13 February 2019
2 Responses
Answered by an Expert

Safe concentration of HCl for Year 8 students to use?: A year 8 textbook has an activity which includes an example for a colour change (blue litmus paper with HCl added to it).

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Publication Date: 09 August 2017
Australian Curriculum:
  • Year 8 > Science Understanding > Chemical Sciences > Chemical change involves substances reacting to form new substances > ACSSU225
1 Responses
Answered by an Expert

Effective enzymes pH: Could I have some info on how I do the ph for the jelly for the pineapple prac please—Exploring Human Biological Science Stage 2 Body Works Activity 27 Page 176.

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Publication Date: 18 March 2016
1 Responses

Litmus Paper: The Litmus paper in our lab is many years old, but has been kept dry in a dark drawer.

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Publication Date: 10 March 2016
1 Responses

pH Probe: Can anyone suggest a pH probe with data logging function/capabilities for use with our senior science groups?

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Publication Date: 16 July 2015
1 Responses

Agar plates: I've been asked to make up agar plates with different pH values from 3–11—any information I can find on the net suggests the agar won't set at a low pH. Any ideas?

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Publication Date: 14 July 2015
2 Responses
A photograph of an active yeast colony
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Publication Date: 20 January 2015

This online resource looks at factors that affect population growth in yeast.

Type of Resources: Lesson Plan
Australian Curriculum:
  • Year 9 > Science Inquiry Skills > Evaluating > Critically analyse the validity of information in primary and secondary sources... > ACSIS172
  • Year 9 > Science Inquiry Skills > Planning and conducting > Plan, select and use appropriate investigation types, including field work and... > ACSIS165
  • Year 9 > Science Inquiry Skills > Planning and conducting > Select and use appropriate equipment, including digital technologies, to... > ACSIS166
  • Year 9 > Science Inquiry Skills > Processing and analysing data and information > Analyse patterns and trends in data, including describing relationships between... > ACSIS169
  • Year 9 > Science Inquiry Skills > Processing and analysing data and information > Use knowledge of scientific concepts to draw conclusions that are consistent... > ACSIS170
  • Year 9 > Science Inquiry Skills > Questioning and Predicting > Formulate questions or hypotheses that can be investigated scientifically > ACSIS164
  • Year 9 > Science Understanding > Biological Sciences > Ecosystems consist of communities of interdependent organisms and abiotic... > ACSSU176
  • Year 9 > Science as a Human Endeavour > Use and influence of science > People use scientific knowledge to evaluate whether they accept claims,... > ACSHE160
Artist's impression of a tree
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Publication Date: 18 January 2015

This online resource shows how pH levels can be used to measure the respiration of cells.

Type of Resources: Lesson Plan
Australian Curriculum:
  • Year 9 > Science Understanding > Biological Sciences > Multi-cellular organisms rely on coordinated and interdependent internal... > ACSSU175
  • Year 9 > Science Understanding > Chemical Sciences > Chemical reactions, including combustion and the reactions of acids, are... > ACSSU179
Artist's impression of chemical apparatus
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Publication Date: 18 January 2015

In this online resource, students are introduced to pH indicators.

Type of Resources: Lesson Plan
Australian Curriculum:
  • Year 9 > Science Understanding > Chemical Sciences > Chemical reactions, including combustion and the reactions of acids, are... > ACSSU179
Artist's impression of chemistry apparatus
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Publication Date: 31 August 2014

This online resource looks at acid-base reactions.

The resource provides a range of activities to do with some key chemical concepts relating to hair care, shampoos and conditioners.

Type of Resources: Weblink
Australian Curriculum:
  • Year 9 > Science Inquiry Skills > Processing and analysing data and information > Use knowledge of scientific concepts to draw conclusions that are consistent... > ACSIS170
  • Year 9 > Science Understanding > Chemical Sciences > Chemical reactions, including combustion and the reactions of acids, are... > ACSSU179
  • Year 9 > Science as a Human Endeavour > Use and influence of science > People use scientific knowledge to evaluate whether they accept claims,... > ACSHE160