Mr. Turner’s 9th grade class is going to start a campaign to prevent pollution. Below are four activity ideas that have been suggested to the group. Which one should they choose? 1. Create a video showing families how to reduce their household water use.
2. Create a plan showing how the city can use water more efficiently.
3. Create a brochure that educates people about groundwater overuse.
4. Create a video showing factories how to use cooling ponds and towers.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.