2. Classify Identify the following materials as thermal conductors or thermal insulators: a wooden spoon, an iron frying pan, a plastic spatula,
a steel fork.

Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature