Question

in the table below you will find three descriptions of scientists engaging in activities that are part of the scientific method. what are the missing words? description niels has a certain value. niels suggests the orbit of the electron in hydrogen has a certain value. niels suggests the orbit of the electron in hydrogen atom can only have certain radii, and when the electron \jumps\ from one orbit to another, it emits light of an energy corresponding exactly to the difference in orbit energies. christina decides to test the idea of her friend anders that different metals make characteristic colors in flame. she mixes up a variety of metal solutions, then dips steel wires into each and puts each wire into a flame, noting the color of the flame in her record of this. after much experimentation, john discovers a which says that the wavelengths of light absorbed by hydrogen gas fit into a pattern which he is able to express in a mathematical formula. missing word

Explanation:

1. Niels is likely referring to the "hypothesis" about the wavelength of light absorbed as it is a proposed idea in the scientific - method process.
2. Christina is conducting an "experiment" by testing different metal solutions in flames.
3. John is formulating a "theory" as he has found a pattern and can express it in a mathematical formula.

Answer:

1. hypothesis
2. experiment
3. theory