Across
- 3. a connection between two surfaces or objects that have been joined together, especially by means of an adhesive substance, heat, or pressure.
- 6. a brightly colored rubber sac that is inflated with air and then sealed at the neck, used as a children's toy or a decoration.
- 7. the taking in of a substance through the mouth
- 8. a device for measuring radioactivity by detecting and counting ionizing particles.
- 10. a type of spider, that in most universes gives Spider-People their powers.
- 12. relating to the nucleus of an atom.
- 13. occurs when people have contact with a chemical, either directly or through another substance contaminated with a chemical.
- 16. the range of wavelengths or frequencies over which electromagnetic radiation extends.
- 17. an assembly of molecules functioning as a more or less stable whole that exhibits the properties of life.
- 18. the act of emitting radiation spontaneously
- 19. the chemical element of atomic number 88, a rare radioactive metal of the alkaline earth series. It was formerly used as a source of radiation for radiotherapy.
- 20. rotting or decomposing through the action of bacteria and fungi.
Down
- 1. convert atoms into an ion or ions, typically by removing one or more electrons.
- 2. a chemical element with symbol P and atomic number 15
- 4. a blanket with wires inside it which carry an electric current that keeps the blanket warm.
- 5. the chemical element of atomic number 84, a radioactive metal occurring in nature only as a product of radioactive decay of uranium.
- 9. Radon is a colorless gas, 7.5 times heavier than air and more than 100 times heavier than hydrogen.
- 11. the reaction of an acid and a base, which forms water and a salt
- 14. a condition in which the body does not have enough healthy red blood cells
- 15. the chemical element of atomic number 92, a dense gray radioactive metal used as a fuel in nuclear reactors.