4. Based on the diagram, what is the main source of heat energy that initiates the process of evaporation? 5. Based on the diagram, where does sublimation usually occurs?

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures