Explain the greenhouse effect

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Presentation transcript:

Explain the greenhouse effect Gases in our atmosphere (like Caron Dioxide and Water vapor) absorb heat. That heat bounces between the ground and the clouds to keep our earth warm enough for life!

What does the greenhouse effect cause? The greenhouse effect allows the earth to be warm enough for life! But when we add too much Carbon Dioxide, the greenhouse effect could also cause global warming.

What could you compare the greenhouse effect to? Car with windows up or a Greenhouse

What causes the greenhouse effect Accumulation of gases like Carbon Dioxide & Water Vapor

Give two examples of a nonrenewable resource. Fossil Fuels – Petroleum, Natural Gas, Coal Minerals

Name three advantages to using alternative energy. We don’t have to rely on fossil fuels – so we can slow down global warming The resources are renewable

Name two effects of using fewer natural resources and reducing wastes? Reducing pollution Preventing habitat destruction

Give two examples of a renewable resource. Wind turbines Solar panels Hydro electric Biofuels Some trees that grow back very quickly – like bamboo

Which chemicals destroy the ozone layer? CFCs

Which chemical is poisonous and can cause cancer? PCBs

Which pesticide caused eagle eggs to become weak? DDT

Name the three fossil fuels. Coal Petroleum Natural Gas

Which fossil fuels are formed from decayed sea organisms? Petroleum and Natural Gas

Deforestation is another name for , like when a tropical rain forest is cleared. Habitat Destruction

Human population growth is due to … Medicine and Farming Before medicine, one out of two babies died before the age of one. Now almost all babies live – so we have more people Before farming life was very hard – we had to find all of our food. Now that we make our own food, we can feed large numbers of people

How does pollution affect human health? In the short term And In the long term

What two things help maintain biodiversity? Protect endangered species And Protect habitat

Give an example of something you can do for each of the 3 Rs – recycling, reducing, reusing. Recycling – making paper from used cardboard Reducing – using less paper by writing on the front & back Reusing – using the same bottle over and over again

Point or Non-Point Pollution? An oil spill after a truck crash Point – comes from one place

Point or Non-Point Pollution? Loud noise from planes overhead Non-point - many places

Name one thing that habitat destruction causes. Loss of biodiversity Water pollution Soil erosion

What type of waste is dangerous for thousands of years What type of waste is dangerous for thousands of years? Where does it come from? Radioactive waste from nuclear energy

Name three types of alternative energy sources. Hydroelectric, chemical, solar, wind, geothermal, nuclear, biofuels

Name 1 pro for using fossil fuels. Its already being used It is less expensive for now

Name 1 con for using fossil fuels. Nonrenewable Causes pollution Acid rain Oil spills Habitat destruction smog

Name 1 pro for using alternative energy sources. They are renewable resources They cause less pollution

Name 1 con for using alternative energy sources. They are expensive right now They are currently hard to get They may create nuclear waste

Wastes that can catch fire, wear through metal, explode, or make people sick are called? Hazardous Waste

An exotic species – it is not native to the area that it is living in. The African honeybee has come into South America from Africa. It is outcompeting the native bees in South America. The African honeybee is an example of An exotic species – it is not native to the area that it is living in.

Name the five types of pollution Gases Noise Garbage High Powered Energy chemicals

What causes the greenhouse effect? The gasses in the atmosphere like Oxygen and Water vapor that absorb energy and store it as heat.