Pupils who are secure will be able to:
- Define the term ‘mixture’ and name some common examples.
- Define the term ‘sieving’ and explain how sieving separates mixtures.
- Define the term ‘filtering’ and explain how filtering separates mixtures.
- Define the terms ‘solution’ and ‘dissolve’ and name some common examples of solutions.
- Recall some factors that affect the time taken to dissolve.
- Describe the effect of temperature on the time taken to dissolve.
- Define the term ‘evaporating’ and explain how evaporating separates solutions.
- Identify when sieving, filtering and evaporating should be used.
When working scientifically pupils who are secure will be able to:
- Research a mixture to find out what substances it is made from.
- Draw and annotate a diagram to explain how sieving separates a solid-solid mixture.
- Identify and justify which type of enquiry to use to answer my testable question.
- Identify solutions by observing and describing their appearance.
- Suggest which variables to change, measure and control when investigating how temperature affects the time taken to dissolve.
- Choose which measurements to take and how long to take them for.