Across
- 3. parts of a fluid or an elastic solid whose equilibrium has been disturbed
- 6. produced by continuous and regular vibrations, as opposed to noise.
- 9. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
- 10. not having or showing thought or spontaneity; automatic.
- 13. sending out light; shining or glowing brightly.
- 14. the natural agent that stimulates sight and makes things visible.
- 16. relating to chemistry, or the interactions of substances as studied in chemistry.
- 19. operating by or producing electricity.
- 20. The measure of how much something weighs.
Down
- 1. the resistance that one surface or object encounters when moving over another.
- 2. work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force
- 4. relating to the nucleus of an atom.
- 5. the star around which the earth orbits.
- 7. relating to heat.
- 8. Panels a panel designed to absorb the sun's rays as a source of energy for generating electricity or heating.
- 11. energy the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
- 12. Energy energy which a body possesses by virtue of being in motion.
- 15. the measurement from base to top or from head to foot.
- 17. the strength and vitality required for sustained physical or mental activity.
- 18. the basic unit of a chemical element.