Across
- 2. A liquid or paste that conducts electric because it contains ions
- 3. A resource that can be reused
- 7. a compound is a substance formed from two or more elements
- 9. The status of an organism within its environment and
- 11. A general term for the research activity that creates a copy of some biological entity (a gene or organism or cell)
- 13. a configuration of stars as seen from the earth
- 14. Synthesis of compounds with the aid of radiant energy (especially in plants)
- 18. Stars are almost always found in collections called _________, together with gas, dust, and large amounts of dark matter detected by its gravitational effects
- 19. Set of cells connected together
Down
- 1. The technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism
- 4. A system of easy-to-see warning symbols on hazardous materials
- 5. _______ is a material that consists of atoms with the same number of protons in the nucleus
- 6. The rate at which energy is drawn from a source that produces a flow of electricity in a circuit
- 8. Ball of gas
- 10. The ratio of the output to the input of any system
- 12. The ____ is the basic unit of life.
- 15. A resource that cant be reused
- 16. hole Objects so dense that not even light can escape their gravity
- 17. A distinguishing feature of your personal nature
- 18. a navigational system involving satellites and computers that can determine the latitude and longitude of a receiver on Earth by computing the time difference for signals from different satellites to reach the receiver