Examples of the possessive form of plural nouns: actors - the actors' dressing rooms. bottles - the bottles' labels. children - the children's playground. doctors - the doctors' offices. eggs - the eggs' carton. friends - my friends' names. geese - the geese's pen.
This covered pool is really a good example of a watershed. The blue cover represents the watershed, the area in which precipitation that falls flows down-gradient towards the lowest part of the basin, the center of the pool cover in this case. Likewise, in nature, water flows towards a valley, river, or lake.
â¢ Create a watershed model to simulate how radioactive soil can dissolve and contaminate a common body of water that can serve as drinking water for people and animals or be used for watering plant food sources. Students can use a spray bottle to represent rain. Students can also use their breath or a small fan to model how materials can be blown into the air or into water sources. â¢ Diagram exposure routes or pathways in the form of radiation webs (similar to the