Sunday, February 22, 2015

7th Science - 2/23/15


https://docs.google.com/document/d/17ayXPJsnBQAmUACuT2nLIZGTSRzu5WQBD1-Rs2M8P6s/pub

Homework
2/25 - YES! Copy vocabulary words with definition in NB again as you will be assess daily on these words and on your weekly quiz.

1. carrying capacity - of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitatwater and other necessities available in the environment.

2.  population - a :  the whole number of people or inhabitants in a country or region   b :  the total of individuals occupying an area or making up a whole.

3.  population explosion - Humans have already exceeded the carrying capacity of Earth. The population explosion has thrown off our planets natural ecosystems.

4.  landfill - 1. a low area of land that is built up from deposits of solid refuse in layers covered by soil. 2. the solid refuse itself.

5.  hazardous waste - waste that is dangerous or potentially harmful to our health or the environment. Hazardous wastes can be liquids, solids, gases, or sludges.

6.  conservation - a careful preservation and protection of something

7.  composting - is the transformation of organic material (plant matter) through decomposition into a soil-like matter.

8.  recyclable - Capable of being recycled: recyclable plastic. n. An item or material that can be recycled

9.  sanitary landfill - is a waste disposal facility where layers of compacted garbage are covered with layers of earth.

10.  oxygen - is a colorless, odorless, tasteless gaseous chemical element which appears in great abundance on Earth, trapped by the atmosphere


11.  phytoremediation - is the direct use of green plants and their associated microorganisms to stabilize or reduce contamination in soils, sludges, sediments, surface