Across
- 4. Energy in the form of motion, as in a moving car or truck
- 6. The bending of waves, caused by changing their speed
- 7. A galvanometer that measures potential differences
- 8. Electromagnetic waves that have a higher frequency than visible light
- 12. An electrical circuit where the current flows through more than one path
- 15. Highly active elements in periodic table Group 17; they have seven electrons in their outer shells and readily combine with Group 1 elements
- 16. An alloy containing the element mercury
- 18. Very small particle of matter that makes up protons and neutrons
- 19. The basic unit of energy and work
- 20. The gradual change of a substance from a liquid to a gas at temperatures below the boiling point
- 21. Organic material from such sources as wood, corn, and wastes from animals and crops
- 22. The measure of the force of gravity of an object
- 23. Atomic particle with no charge that is part of an atom's nucleus
- 24. An organic compound that changes color in an acidic solution or a basic solution
- 25. the point in the sky or celestial sphere directly above an observer
Down
- 1. A device that can increase or decrease the voltage of an alternating current
- 2. A molecule composed of two atoms of the same element
- 3. An organic compound having twice as many hydrogen atoms as oxygen atoms
- 5. The number of wave crests that pass a point during one second; expressed in hertz
- 9. The unit for measuring resistance
- 10. Metric prefix denoting 10^24
- 11. A simple machine consisting of a bar that is free to pivot around a fixed point
- 13. The process of making soap
- 14. Ability of metals to be hammered or rolled into thin sheets
- 17. A device that uses electromagnetic induction to induce electrical current by rotating loops of wire through a magnetic field