Across
- 2. The heaviness of a person or thing
- 4. An element, feature, or factor
- 5. held constant to test the relative impact of independent variables
- 11. One of these is equivalent to 100,000 dynes.
- 13. a system that produces thrust to push an object forward
- 16. A force where two or more bodies collide
- 18. Energy that an object possesses when in motion.
- 19. The energy possessed by a body by virtue of its position relative to others; stresses within itself, electric charge
- 21. Something not acted on by gravity is _ (related to density)
Down
- 1. The force acting in the opposite direction
- 3. How magnets connect
- 6. A force where no physical connection is necessary for the force to be present
- 7. A variable whose value is reliant on another
- 8. The force acting in one direction
- 9. A variable whose value only is reliant on itself
- 10. A measure of the number of atoms or kilograms in it
- 12. An activity involving mental or physical effort done in order to achieve a purpose or result
- 14. Uses Kilograms and Newtons to measure the intensity of a force
- 15. Used to create electricity; power
- 17. A theory or proposition using little evidence
- 20. A general direction in which something is developing or changing