This practical task requires students to describe to a partner their observations about an ice cube melting. Students then develop questions about what they observe.
For this practical task students complete a table of observations for the following substances: vinegar, baking soda, and vinegar and baking soda mixed together.
For this practical task students follow a plan to determine the effects of a weak acid on different building materials. Students need to put their results into a table and write a conclusion.
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.
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 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.