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In this unit, students will take part in a variety of investigations in the classroom to explore the different types of pollution. A carousel of investigations, incorporating the 5 senses, will be set up for the students. This comprises an oil spill simulation to examine the potential effects on wildlife, real-world testing of biodegradability to understand pollution caused by waste, modelling pollution uptake by plants using celery, creating pollution display jars, and recording the sights and sounds the students feel are related to pollution outside such as traffic.

In this unit, students will be observing pollution over time using low tech pollution kits (O-zone badge testers). They will use the test kits in 3 different areas to observe if levels of pollution changes throughout the week. While in the local park, students will also go on a lichen hunt to learn how lichens are natural indicators of pollution.

The students will estimate local vehicle pollution by counting different types of vehicles outside school. They will then go back to the classroom to organise the data they have collected, and estimate pollution levels in each area. Students will also create pictograms to see which vehicles are the worst pollutants.

In this unit the students will calculate pollution in the local area. They will put DIY sensors out, collect data, analyse it and draw conclusions. They will then calculate pollution levels using the Hackair app. Next, they will look at trees as filters. Students will combine this with their previous data to create infographics on the number of cars vs. trees. Finally, they will calculate the number of trees needed to counteract car pollution.