Formative Task: Separating a Mixture – F2B
Unit: Pure Substances and Mixtures​
Key Concept: Relationships​
Related Concept: Interaction, Patterns​
Statement of Inquiry: We can understand the properties and interactions of substances by
observing patterns in how they can be combined and separated.​
Assessment Criteria: Criterion B (Inquiring and Designing) and Criterion D (Reflecting on the
Impacts of science)
The Task
Your challenge is to design a lab experiment to separate a mixture of sugar, water, and cooking
oil into its three pure components. You must recover as much of each substance as possible.
Please complete the sections below.
1.​ Title of Experiment
2. Hypothesis
Write a predicted answer to the question: "How can this mixture be separated?" Use your
knowledge of the properties of each substance. Use an "If... then... because..." statement.
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3. Equipment
List all the materials and apparatus you will need.
4. Draw how you will set up the equipment to be used and give your Method
Write a step-by-step procedure that another student could follow. Use imperative verbs
(command words).
1.​ Put on safety goggles and a lab coat.
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5. Precautions
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