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Task: Identify which variables should be kept the same to compare reaction times. Assessment focus: control of variables.

Students draw a line from each paper type to a description of each paper's properties.

Students read some information about testing the absorbency of different papers. They outline two features that need to be kept the same if the tests were to be fair.

Students answer five questions about 'fair testing' for an outlined investigation.

For this practical students use provided definitions to classify 12 objects as either transparent, translucent, or opaque.

Task: Plan a fair test to see if adding salt water to water affects how long it takes to freeze. Assessment focus: managing variables.

For this practical task students use their knowledge about the properties of gases to explain their observations when they blow up a balloon that is inside a bottle and a balloon that is not inside a bottle.

This practical task requires students to sort some common items from hardest to softest. Students then explain a test that they used to help determine this.

For this practical task students complete a table of observations on nine common materials. Students then use their results to group the materials according to similar properties.

Students outline a test they could do to show if a substance is a metal or not.

Students give two pieces of information a scientist could learn from placing bands on the legs of birds.

Students are provided with some information about testing leaves for starch. They are required to match the steps in the process with their purpose, and to explain what substance is present that turns iodine blue-black.

Students are given diagrams of an experiment on photosynthesis using pond weed. Students are asked to put the diagrams of the experiment into the correct order, to give an aim, identify the gas produced, name the process in plants that produces this gas, and to write a conclusion for the experiment.

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: Answer questions about how a thermometer works. Assessment focus: expansion of water on heating.

Task: Answer questions about relationships between mass and stretch. Assessment focus: identifying patterns in data.

Students interpret information about unnamed planets and their length of year to answer questions about their distance from the Sun and the order of these planets from the Sun.

Students use two diagrams of the night sky to answer a multiple-choice question on each.

Students are provided with a sequence of diagrams showing the erosion of a waterfall by a river over time. Students complete diagrams for two other waterfall erosion sequences. Each waterfall has different combinations of layers of soft and hard rocks.

Students are given a diagram of a glacier, and asked to identify natural hazards and the possible effect of increased temperature on the position of the glacier snout.

For this task students are provided with a table of weather observations for a day in September. Students are required to write a weather report using headings that have been provided.

Students are provided with data showing the temperature and the cloud cover over a one week period. Students use this information to identify the two nights that would be the best to protect plants outside from possible frost damage and also to identify why protection is needed on such nights.

This practical task has students investigate the surface area of three objects and whether this influences the rate of evaporation. Students fill in a table, and calculate the water loss and answer questions to show their understanding.

Students answer short questions to demonstrate their understanding that candles need oxygen to burn.