Across
- 3. Theory of different sized atoms and elements are made of the same kind of atom.
- 5. Theory that an atom is mostly empty space with a positively charged middle (nucleus)
- 7. the action or process of observing something or someone carefully or in order to gain information.
- 8. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- 10. Theory that an atom is a solid sphere with random positive and negative parts scattered around
- 11. is an idea that proposes a tentative explanation about a phenomenon or a narrow set of phenomena observed in the natural world.
Down
- 1. a statement that describes an observable occurrence in nature that appears to always be true
- 2. a conclusion reached on the basis of evidence and reasoning.
- 4. an approach of finding intermediate values of a variable from a discrete set of its known values.
- 6. estimating an unknown value based on extending a known sequence of values or facts.
- 9. Electrons go around a positive nucleus in fixed orbits.
- 12. a specific statement about what will occur the outcome or pattern that will be observed in a particular research investigation.
