Match the following items. 1. balance observation using "how much". 2. graduated cylinder primary unit of mass. 3. hypothesis proposed explanation. 4. L unit of volume. 5. quantitative instrument of volume. 6. kg instrument of mass. 7. qualitative descriptive observation.

1. balance observation using "how much" = 5. quantitative instrument

2. graduated cylinder = 4. quantitaive instrument of volume

3. hypothesis proposed explanation = 7. qualitative descriptive observation

4. unit of volume = L

6. kg = primary unit of mass

Explanation:

there seem to be some typo error in uploading question but still it was clear to answer.