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TRICKY TESTS

a changing climate | global warming

GLOBAL WARMING?
NO THANKS!

source: www.defra.gov.uk/environment/
climatechange/schools/12-16/
quiz/index.htm

www.jpl.nasa.gov/multimedia/
auraquiz/html.cfm

www.msc.ec.gc.ca/cd/factsheets/
ozone/quiz1999/index_e.cfm

environment.about.com/library/
quiz/blquiz1.htm

YXC help

The Earth gets most of its energy from the sun in the form of …

carbon dioxide

infra-red radiation

visible radiation

The sun's energy warms the earth and the earth emits …

infra-red radiation

carbon dioxide

water

What is the earth's average temperature?

4.4°C (40°F)

11.7°C (53°F)

15°C (59°F)

19.4°C (67°F)

The temperature on the earth has gone up by how much over the last 100 years?

by about 5°C

by about 50°C

by about 0.6°C

The greenhouse gases in the atmosphere act like what part of the greenhouse?

the door

the glass

the frame

Which one of these is NOT a greenhouse gas?

water vapour

carbon dioxide (CO2)

methane

sulphur dioxide (SO2)

nitrous oxide (N2O)

ozone (O3)

hydro-fluorocarbons (HFCs)

perfluoro-carbons (PFCs)

sulphur hexafluoride (SF6)

What is the most abundant greenhouse gas?

carbon dioxide

methane

water vapour

ozone

Places on earth where carbon dioxide is produced and removed are called:

springs and drains

sources and sinks

reservoirs and holes

What is the most common greenhouse gas emitted by human activity?

carbon dioxide

sulphur hexafluoride

methane

water vapour

How has the concentration of carbon dioxide in the atmosphere changed over the last 100 years?

it has gone down by a third

it has gone up by a third

it has stayed the same

How many tons of greenhouse gases does each person (on average) emit per year in the USA?

3.5 tons

6.6 tons

9.5 tons

By the year 2100, global temperature is expected to increase by…

another 0.5°C

about 1°C

1.4 to 5.8°C

The Kyoto Protocol will commit the developed countries to reducing their collective emissions (from 1990 levels in the commitment period 2008-2012) by…

at least 5%

To reduce global warming you need to…

save energy by having lots of little rests

save energy by getting a lift to school

save energy by using less electricity, gas and petrol

Since 1950, global fossil fuel use has expanded by more than 3 and 1/2 times. As a consequence, nowadays human-made CO2 emissions account for more than…

40%

60%

80%

If global greenhouse gas emissions are not reduced, by 2100 sea levels are expected to rise by…

3-15 cm

5-42 cm

9-88 cm

By 2050, global warming will significantly increase the risk of extinction of terrestrial plant and animal species by…

10%

up to 37%

up to 42%

Decreased availability of water as a result of climate change could affect populations in the subtropics where water is already scarce. Currently about 1.7 billion people live in water stressed countries, and -by 2025- that number is projected to increase to…

2 billion

3 billion

5 billion

CO2 emissions: agricultural sources, mainly deforestation and the burning of biomass, are responsible for…

12%

25%

34%

The concentration of which greenhouse gas can be reduced by preventing forest depletion?

methane

carbon dioxide

water vapour

ozone

Recycling 1 tonne of paper saves …

5 average sized trees

15 average sized trees

25 average sized trees

CO2 emissions: In Europe, just to make one example, the transport sector is responsible for…

10%

20%

40%

One litre of fuel can carry 1 passenger…

48 km by metro

39 km by bus

18 km by private car

all of the above

The contribution of electricity produced from renewable energy sources to global electricity consumption is projected to increase. But what exactly does ‘renewable sources’ mean?

can use coal or gas

doesn't use coal or gas

relies on nuclear fuels

Driven by government policies, falling prices, concerns about climate change, and consumer demand, global solar production is expanding by/a year…

10-15%

15-35%

35-40%

On average, producing 1,000 kWh of electricity with solar power reduces emissions by…

nearly 2.5 Kg of sulphur dioxide, 1.3 Kg of nitrogen oxides, and more than 200 Kg of carbon dioxide

respectively, nearly 3.3 Kg, 1.8 Kg, and more than 320 Kg

respectively, nearly 3.6 Kg, 2.3 Kg, and more than 634 Kg

According to the WWF, biomass sources could provide 15% of the developed countries’ energy needs by 2020 (compared with just 1% now). This will reduce CO2 emissions by…

1,000 million tons/year

the equivalent of the combined annual emissions of Canada and Italy

5-25% of projected fossil fuel emissions

Today, a single wind turbine is 100 times more powerful than its equivalent two decades ago. The CO2 emissions related to the manufacture, installation and servicing over the average 20 year lifecycle of a wind turbine are ‘paid back’ after…

the first 3 to 6 months of operation

the first 6 to 9 months

the first year

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