30 POINTS MATCH THE DEFINITIONS PLEASE, ITS PROBABLY EASY FOR U THO

(going down the line)

1. matter

2. hypothesis

3. energy

4. independent variable

5.  theory

6. quantitative data

7. dependent variable

8. constant

9. law

10. qualitative data

Explanation:

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.