What were J. J. Thomson's ideas called? A. The photoelectric effect
B. The plum-pudding model
O c. Quantum mechanics
D. The atomic theory

Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Which best describes how johannes kepler developed his laws of planetary motion