Three simple ways for science teachers to assess the level of understanding their students have of the levels of organization in the environment. Examples of living and nonliving parts of the environment can be classified by asking a series of questions.
Do you know how long it takes for everyday items to decompose? Tons of litter ends up in our landfills each year and this can be easily avoided by recycling. Have a look at this at infographic by Life Hacks on how long everyday items take to decompose.