Science

2. The transfer of energy without transferring matter.
6. The vibration of the wave perpendicular to the direction of the wave.
9. is a chemical element with symbol C and atomic number 6.
10. The length of a wave.
13. The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
15. The vibration of the waves parallel to the direction of the wave.

1. The speed of a wave.
3. The spreading of something more widely.
4. When an image is laterally inverted.
5. The number of waves that pass any point each second.
7. When Sound waves and light waves change speed when they pass across the boundary between two substances with different densities.
8. A type of reflection that cannot be touched or projected onto a screen.
11. is absorbed by plants in photosynthesis.
12. The lessening in the density of something, especially air or a gas.
14. The spreading out of a wave when it passes through a gap or past an object.