Question | Answer |
What is Pollution? | Pollution is the introduction of contaminants into a natural enviroment that causes instability, disorder, harm or discomfortto the ecosystem, that is a physical systems or living organisms. |
What are the types of Pollution? | Natural, Air, Man-Made, Factory, Noise, Radio-Active, Light and Thermal pollution. |
Define Biodiversity. | The variety of life in the world or in a particular habitat or ecosystem. |
Define Ecosystem. | A biological community of interacting organisms and their physical environment. |
Define Biosphere. | The regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms. |
Define Lithosphere. | The rigid outer part of the earth, consisting of the crust and upper mantle. |
Define Hydrosphere. | All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds. |
Define Atmosphere. | The envelope of gases surrounding the earth or another planet. Examples of the gases: Air, Oxygen, CO2, Nitrogen etc. |
What are some ways to protect the environment? | Using Solar energy, recycling, using water tanks, riding bike/walking/public transport instead of using a car, hydro energy. |
Define Volcanoes. | A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust. |
List the types of Volcanoes. | Shield, Composite and Cone Volcanoes. |
Famous disasters. | Puyehue Volcano, Mt. Pompeii, Mt. Vesuvius, Victorian Bushfires, Queensland Floods, 2011 Japanese Earthquake, Krakatoa Volcano. |
List ways of producing electricity | Fossil Fuel, Hydro Electricity and Nuclear power. |
Fossil Fuel. | Positive: Natural resources. Negative: Air polution.
Positive: Provide us with electricity. Massive amount of energy. Negative: Non – renewable.
Coal, Oil, Gas. |
Hydro Electricity. | Positive: low power cost. Negative: ecosystem damage and loss of land. Positive: reduce CO2 emissions. Nagative: methane emissions |
Nuclear power. | Positive: Already available. Doesn’t need to be developed. Negative: Radioactive waste is produced. Positive: Emits relativly low amounts of CO2. Negative: Uranium is used and it is a scarce resource. |
Chernobyl. | USSR → Soviet Union → Russia → Ukraine. Nuclear power plant explosion. 1986. 28 firemen. Exclusion zone. People had cancer. Wild life were affected. |
Define Renewable. | Capable of being renewed. (of energy or its source) not permanently depleted when used. |
Define Non- renewable. | (of a fuel or energy source) existing in finite quantity. Can not be renewed. |
What are the common causes of Water Pollution? | Industrial waster, sewage and wastewater, marine dumping, radioactive waste, oil spills, atmospheric deposition, global warming, eutrophication, underground storage leakages, storm water run-off, agricultural run-off, leaking sewage, mining activities. |
Define Smellbourne. | it is a name given to Melbourne about 150 years ago. Cause of water pollution and air pollution. |
S.H.E.E.P | Social: Employment
Historical: Remembrance.
Environmental: Stats, lasting damage.
Economics: Costs.
Political: |
Earth Hour. | Started by the WWF(World Wildlife Fund) in 2007 Sydney, 31st March, from 7:30 - 8:30. Lights turn of for an hour to engage people on the issue of climate change, to raise awareness. |
Carbon Footprint. | The amount of carbon dioxide emitted due to the the consumption of fossil fuels by a particular person, group, etc. |
Carbon Tax. | A price put on the amount of carbon the polluters make. Makes families pay more, consumers pay more because the producers raise the cost of daily needs and wants. |