Solve these clues to fill the grid.
- How fast something moves
- 3 Across
- How much matter something contains
- 5 Across
- How tightly packed the matter in something is
- 7 Across
- Distance travelled per unit time
- 9 Across
- Energy that makes things warm
- 13 Across
- To cause to move faster
- 14 Across
- A process in which one or more substances are changed into others
- 15 Across
- To bring into ___ or equilibrium
- 16 Across
- Force pushing on something
- 1 Down
- Force that pulls objects toward the Earth
- 2 Down
- Relating to the motion of material bodies and the forces associated therewith
- 4 Down
- The difference in electrical charge between two points in a circuit expressed in volts
- 6 Down
- The tendency of a body to maintain its state of rest or uniform motion unless acted upon by
- 8 Down
- To throw out of balance or equilibrium
- 10 Down
- A state of conflict between persons
- 11 Down
- An impelling force or strength
- 12 Down