Models of Atoms & The Electromagnetic Spectrum (2)
Across
- 3. A type of electromagnetic radiation used in hospitals to see inside the human body (Hint: Write like: ___-______).
- 4. A negatively charged particle found around the nucleus of the atom.
- 8. The modern model of the atom was proposed by the scientist called ____________.
- 9. All types of electromagnetic radiation can be found on the electromagnetic ___________________.
- 10. The type of electromagnetic radiation that can cause skin cancer and which is emitted by the Sun.
- 12. The type of electromagnetic radiation with the longest wavelength.
- 13. This happens when an atom absorbs a photon of energy and electrons are lost from the atom.
- 16. A model of electromagnetic radiation with 'ripples of waves' of radiation.
Down
- 1. The name given to the object giving out (emitting) radiation.
- 2. A model of electromagnetic radiation with 'packets' of energy.
- 5. After radiation is emitted from a source, it is ____________________ through the atmosphere to its receiver.
- 6. A neutrally charged particle found in the nucleus of the atom.
- 7. A positively charged particle found in the nucleus of an atom.
- 11. Once radiation reaches a receiver, it is __________________.
- 14. The centre of the atom.
- 15. The type of electromagnetic radiation with the shortest wavelength.