Students identify the variables to be kept constant, and the variable to be different, when they plan a fair test to show if green plants need light to grow.
Task: View photograph to explain how a chiton protects itself in its environment. Assessment focus: identifying features that help to protect an animal in its particular environment.
Task: Students use an image of an Australian lizard to explain what purpose is served by the lizard's tail looking like its head. Assessment focus: features for survival.
For this practical task students are provided with four types of plant storage organs. They classify examples as one of these types of food storage organ. Students also look at the tap root and a tuber and describe the main differences between them.
Students are provided with six drawings of different types of insects. They use the drawings to explain two features of insects and to explain differences between the insects illustrated.
Task: from a set of animals students identify which have observable features common to fish. They then use this information to identify which of the animals are fish. Assessment focus: classification of fish.
Task: Order fruit according to size and number of seeds, make a generalisation about the pattern and use this to predict whether a fig has small or large seeds. Assessment focus: pattern seeking.
For this practical task students write a plan to find out if a microwave has a 'hot spot'. Students carry out their plan, collect, and interpret results.
This practical task is about heat absorption. From a given list students choose the equipment they would use to heat cold tap water as much as possible. Students complete the investigation, explain why each piece of equipment was selected, and record their results.