Final answer:
In the word matching exercise, 'research,' 'equipment,' 'advice,' 'peace,' and 'progress' are all categorized as uncountable. These terms refer to concepts or collective nouns that cannot be counted individually.
Step-by-step explanation:
When categorizing words as countable or uncountable, we examine whether they can be counted individually or not. Here is the direct answer for the matching exercise with explanations:
- Research: uncountable
- Equipment: uncountable
- Advice: uncountable
- Peace: uncountable
- Progress: uncountable
Research refers to the systematic investigation into and study of materials and sources to establish facts and reach new conclusions, which cannot be counted. Similarly, equipment refers to the necessary items for a particular purpose and is treated as a collective noun. Advice is guidance or recommendations concerning prudent future action, typically given by someone regarded as knowledgeable or authoritative. Peace is a state or period in which there is no war or a war has ended, a concept or condition that isn't counted in units. Lastly, progress is advancement towards a better or more complete stage, not counted in individual increments.