Across
- 4. Not staying in a particular or desired position.
- 7. The space between people or things.
- 8. Energy that is in motion.
- 13. When a moving thing crashes into or hits another object or person.
- 15. How fast something is going in a certain way.
- 16. All the force coming on an object.
- 17. Energy in objects because of is posture.
- 19. Moving or movement.
- 20. The increase of velocity in something moving.
Down
- 1. How heavy a certain object is, measured by how fast it puts out force on another object.
- 2. Not falling over while in a certain position; arranged well.
- 3. The resistance an object has when rubbed against something else.
- 5. Power from chemical or physical resources, mostly to provide light and heat and for machines.
- 6. The amount of movement in a moving body, measured by it mass times its velocity.
- 9. The thing that makes a person go towards the middle of earth, or another person.
- 10. When the speed of something decreases.
- 11. How fast something or somebody moves.
- 12. Energy or strength helping action or movement.
- 14. The friction that happens between air and an object.
- 18. A property of matter when it continues its current form of rest or motion in a straight line, unless it comes in contact with external force.
