4
QuizMultiple Choice

Unit Test — Unit test

Question 4 • GA-GSE Grade 8 Physical Science

The first model of the atom was developed through

Answer
A
scientific experimentation and data analysis with water vapor and gases.
B
observation of the light emitted by elements when they are heated.
C
thinking about the smallest particles of matter without experimenting.
D
analyzing the effects of a magnet on the path of a cathode ray.
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