6.2 Global warming impacts What’s this got to do with global warming?

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Presentation transcript:

6.2 Global warming impacts What’s this got to do with global warming?

6.2 Global warming impacts What’s this got to do with global warming?

6.2 Global warming impacts What’s this got to do with global warming?

6.2 Global warming impacts What’s this got to do with global warming?

Light and heat energy from the Sun Most of this is reflected back into Space Only a small amount is absorbed and warms the Earth’s surface Healthy Planet What is Global Warming? Earth’s Atmosphere

Not so healthy planet Greenhouse Gases Only a small amount is reflected back into Space A lot more is trapped by the gases and absorbed. The temperature of the Earth’s surface increases.

6.2 Global warming causes Some greenhouse gases... Carbon dioxide (CO 2 ) from......burning fossil fuels and cutting down forests.

6.2 Global warming causes Some greenhouse gases... Methane (CH 4 ) from......farm animals and rice growing.

6.2 Global warming causes Some greenhouse gases... Water vapour (H 2 O) from......evaporating oceans and lakes, and smaller amounts from burning gas and oil.

Burning fossil fuels releases ? into the atmosphere. Energy from the ? hits the Earth’s surface and causes ?. Normally this heat is ? back into space. Carbon Dioxide traps some of this heat energy in the ?. This causes the temperature of the Earth to ?. It is called the ? Sun, Greenhouse effect, radiated, rise, warming, Carbon Dioxide, atmosphere,

Pick one of these and explain it in pictures and words Hot beaches in England Polar Bears Dying Lack of plant crops

2 groups 1 Narrator 1 Sun 4 Energy rays 2 Greenhouse gases 1 Earth

QUIZ 1. List 3 main gases that make up our atmosphere on Earth, starting with the one that is most present. 2. Is polar bears dying a cause or a consequence of global warming? 3. Name 3 main greenhouse gases. 4. Name 2 fossil fuels that we burn. 5. Suggest one renewable energy source.

So what’s this about a hole in the ozone layer? Ozone layer – layer of gas in upper atmosphere. Absorbs most of the UV rays from the Sun CFCs damage to ozone layer.

CFCs Chlorofluorocarbon

Indicator Species Bloodworm Rat-tailed maggot Sludge worm