Across
- 1. the branch of science concerned with the nature and properties of matter and energy, including mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
- 5. energy that is transferred from one body to another as the result of a difference in temperature
- 8. a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals
- 10. the scientific study of sight and the behavior of light
- 12. a dark area or shape produced by a body coming between rays of light and a surface
- 13. a unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.
Down
- 2. the process of becoming smaller
- 3. a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects
- 4. the surroundings or conditions in which a person, animal, or plant lives or operates
- 6. the action of becoming larger or more extensive
- 7. the degree of highness or lowness of a tone
- 9. an arch of colors formed in the sky in certain circumstances, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere
- 11. relating to heat
- 12. vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear