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When writing the ESS IA, some of the favourites students’ choices are surveys. They are not that difficult to perform as maybe some of the other ESS IA topics. Some of the IB ESS IA survey topics have to do with: • Ecological footprint, • Environmental philosophies, • Carbon...

When it comes to the ESS topic: “Soil” there are many interesting investigations that students can undertake. ESS IA soil topics include: • Measuring soil’s buffer capacity • Pollution in soil • Measuring soil’s pH • Soil’s salinity • Fertility of the soil • Measuring diversity of soil organisms • Soil erosion • Soil...

Sometimes students have a problem when it comes to addressing their ESS IA topics. Too general All these are far too broad and global and cannot be addressed within the ESS IA to meet the criteria. Avoid such general titles. • Tourism in Costa Rica • Global dimming • Oceans...

The ESS IA model is flexible enough to allow a wide variety of investigations to be carried out. These could include: • Short laboratory practicals over one or two lessons and long-term practicals or projects extending over several weeks • Computer simulations • Data-gathering exercises such as questionnaires and...

Assessment in an integral part of teaching and learning. The most important assessment goals in ESS IB is that it should support curricula goals and encourage student learning. Both external and internal assessment is used in the ESS IB. IB examiners mark work produced for...