Which label belongs in the area marked y? must involve temperature differences between substances or objects occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter.

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.