Answer:
1. Circumference : distance around a circle
2. Metric system : decimal measurement system
3. Area : Surface measurement
4. Weight : A force that change with location
5. Diameter : Distance across a circle.
Explanation:
Circumference is the same as a perimeter = what is "outside" or enveloppe
Metric system is an equivalency to the imperial system
Area what is "inside"
Weight differ mostly because of gravity
Diameter cut a circle in 2 equal half