Across
- 1. Color is an example of a _______________ property.
- 8. As friction increases, kinetic energy _____________.
- 11. Something that stays the same in an experiment. Also called a constant.
- 12. The ___________ variable is what the scientist changes in an experiment.
- 15. When a wave travels straight through an object.
- 18. The requirements of something being built in the engineering method.
- 20. An educated guess in the scientific method.
- 21. _____________ energy is the energy of motion.
- 22. A particle in an atom with a neutral charge.
- 23. A particle in an atom with a positive charge.
- 24. The resistance a surface causes on an object as it moves.
- 26. When a medium absorbs a wave.
- 27. Flammability is an example of a ________________ property.
- 29. When a wave bends.
- 31. The name of the element represented by the symbol Na.
Down
- 2. As distance/height increases, potential energy ______________.
- 3. The first full-scale model of a design in the engineering method.
- 4. The number written below the line that represents how many of a particular atom there are in a molecule.
- 5. The number of wavelengths per second.
- 6. Waves are caused by ______________.
- 7. ______________ energy is the combination of kinetic and potential energy.
- 9. ________________ can travel through a vacuum.
- 10. ______________ energy is stored energy.
- 13. The first step in the engineering method.
- 14. The number written before a molecule that represents how many molecules there are.
- 16. A particle in an atom that is NOT in the nucleus.
- 17. The height of a wave.
- 19. When a wave bounces back.
- 25. The length of a wave (measured from crest to crest).
- 28. The name of the element represented by the symbol K.
- 30. White light refracts when it goes through a prism.