Matter - anything with mass and occupies space
accuracy - an indication of how close a measurement is to the correct result
precision - the degree to which a measurement can be replicated
meniscus - the curved top surface of a liquid column
volume - spaced occupied measured in cubic units
density - mass of an object per unit volume
ZnCl2 is the chemical formula, hope this helps.
Answer:
1. B 2. D 3. Jon could test which animals like certain foods.