Task: Students draw a picture of a burning candle to show changes that occur. Assessment focus: representing the way particles behave when material undergoes temporary and permanent changes.
Students write the simplest algebraic expressions for the lengths and area of parts of a composite shape, then solve these expressions using substitution. They then solve an equation that relates an algebraic expression to a given side length.
Task: Students interpret a graph to answer questions, and use background knowledge to justify their responses. Assessment focus: control of body temperature in different types of animals.
Task: Students apply both their knowledge of the functions of roots and information from a model to explain why care is needed when transplanting trees. Assessment focus: interpreting diagrams.
Information on particle size and boiling point is provided for three alcohols. Students use this to place these substances in order of particle size and increasing boiling point.