Students first do the science activity Throwing Balloons 2 (PW2548) where they predict, observe, and explain what will happen when a balloon containing another balloon filled with water is thrown. Then the students do this writing task where they describe the balloon and what happened when it was thrown, and explain why they think it moved the way it did. Six annotated exemplars of student scripts (writing) are included under the "Working with Students" tab.
Task: Use written text and pictures to explain how the special features of Old Man's Beard help it survive. Assessment focus: identifying how the special features help this plant to survive.
This practical task consists of two parts. Students test various substances with hydrochloric acid, iodine solution, and universal indicator, and then complete a table with their observations. The second part requires students to identify four unknown solids using their tests and results from part one.
For this practical students observe some activities which illustrate melting and dissolving. They write sentences about what they observe and then write what they think melting and dissolving mean.
Students use substitution into equations to evaluate the number of blocks and total surface areas in shapes of different heights.
The stimulus can be used as a challenging task to try and derive the rules from the spatial pattern. This is classified as Patterns and Relationships.
Different selections are made from a canteen menu that will cost a given amount. An extension activity is given that asks for all possible combinations to be found.