Use Science Inquiry Skills to Conduct, Analyse and Communicate Experiments - Management Assignment Help

Assignment Task:

Task:

Experiencing Science Assessment Task 2 Name: Link to unit’s ILOs –

1. Use science inquiry skills to conduct, analyse and communicate experiments

2. Evaluate, with reference to collected data and resources, claims about concepts in science.

3. Create standard scientific reports with appropriate sections, language, and conventions
4. Demonstrate a working knowledge of applicable concepts taught in chemistry, biology, and physics

Experiment: Yeast and carbon dioxide

Objectives

This experiment aims to work with yeast and to test how different variables affect the production of carbon dioxide (a product of yeast fermentation). Unlike previous experiments, you will have to make more decisions about your experiment and adjust the method to ensure you collect suitable data.

· develop a testable hypothesis with clearly defined independent, dependent and control variables

· refine an experimental procedure and take careful measurements

· collect and record data

· explain how the variables tested have impacted on the results collected

Link to Assessment Task 2

You DO NOT need to submit this worksheet as part of your weekly Portfolio task. This worksheet should be attached as an Appendix as part of your AT2 report. You must include visual evidence of your own experimental setup (photos). Check in MyLO for more details.

Key Materials

· Baker’s yeast

· White sugar and other sources of energy for yeast

· Conical flasks or clear bottles (any type with a neck e.g. water, soft drink, beer bottles)

· Funnel

· Balloons

· Soft tape measure (or string and tape measure/ruler)

· Digital scales

· Stirring rod (plastic, glass, or metal. Not wood)

· Measuring cylinder (or other measuring device)

· Thermometer

· Other materials e.g. ice, hot water, tap water, large container

Safety Considerations

a. Hot water presents a scalding hazard. Ensure that hot water does not come into contact with skin, clothing, or any non-heatproof materials.

b. Ensure electrical equipment is inspected and maintained before use. Electrical equipment not in good working order should not be used.

c. Any containers used for hot water near boiling point must be heatproof. Only metal, ceramic or heatproof glass (e.g. Pyrex) containers should be used to avoid fracture or cracking.

d. Remember to handle glassware with care and inspect prior to use for chips or defects.

e. Do not use a microwave to heat pure water. A kettle should be used. Hot tap water may be sufficiently warm for this experiment.

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