Across
- 1. a measure of the quantity of matter within an object
- 5. a measure of space
- 7. a system used to write very big or very small numbers, often containing many zeros
- 8. previously agreed on quantities used to report experimental measurements
Down
- 1. the si standard unit of length
- 2. the si standard unit of mass
- 3. a number that represents the number of times a term is multiplied by itself
- 4. the most convenient system of unit for science measurements
- 6. the si standard unit of time