Science Cross Word

2. Last name of the scientist who proposed the theory of evolution by natural selection.
6. A particle of matter that is considered indivisible in the Standard Model of particle physics.
7. The name given to the smallest quantity of energy that can be emitted or absorbed as electromagnetic radiation.
8. A compound that changes color in the presence of an acid or a base.
9. The molecule that carries most of the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.
11. A greenhouse gas that contributes to global warming, abbreviated CO2.
12. A nickname for the substance that dissolves more substances than any other liquid.
13. The shape formed by double-stranded molecules of DNA.
14. The type of science that deals with celestial objects, space, and the physical universe as a whole.
15. The scientist who created the Periodic Table of Elements.

1. The theory that Earth's outer shell is divided into several plates that glide over the mantle.
3. The process by which organisms better adapted to their environment tend to survive and produce more offspring.
4. The organelle known as the powerhouse of the cell.
5. The law that states energy cannot be created or destroyed, only transformed.
10. The SI unit used to measure force, named after a famous physicist.
11. The main type of chemical bond that involves the sharing of electron pairs between atoms.