This is the key vocabulary used across the materials presented here. You might already know a lot of items from the selected vocabulary. However, there might be some items that you don't know or you are not sure how they collocate (go together) with other items. Check the mind map below for terms connected with polar exploration. As you will use these items of vocabulary during the speaking session, check the pronunciation as well - you can do it easily on IVONA webpage (text to speech software) or in any good online dictionary. Dictionaries will help you with understanding the individual items as well, feel free to use them.