10 questions🇬🇧English
🌡️ Climate Change – Year 9
Geography · Year 9 (KS3) — the greenhouse effect, evidence for warming, its impacts and ways to respond
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Questions
Which greenhouse gas is released in the largest amounts when fossil fuels such as coal and oil are burned?
Oxygen
Hydrogen
Carbon dioxide
Nitrogen
20s
What does the natural greenhouse effect do for planet Earth?
Makes Earth much colder than space
Stops all sunlight reaching Earth
Keeps Earth warm enough for life
Creates the hole in the ozone layer
20s
Which of these is a mitigation strategy for climate change?
Growing drought-resistant crops
Switching to wind and solar power
Building higher sea walls
Raising houses on stilts
20s
Which human activity releases large amounts of methane into the atmosphere?
Recycling paper
Using solar panels
Rearing cattle
Planting trees
20s
How do ice cores drilled in Antarctica give evidence of past climate?
The ice thickness shows past wind speed
Frozen fossils show past animals
Trapped air bubbles record past atmospheres
The ice colour shows past sunlight
30s
Apart from melting glaciers and ice sheets, what else causes sea level to rise as the climate warms?
Rivers carry more sediment to sea
Seawater expands as it warms
More rain falls over the oceans
Floating sea ice melts
30s
How can a very large volcanic eruption affect global temperatures for a year or two afterwards?
Warms them with heat from the lava
Cools them as ash and gases block sunlight
Has no effect at all on temperature
Warms them by trapping heat under ash
30s
Greenhouse gases trap heat mainly by absorbing which type of radiation?
Ultraviolet radiation from the Sun
Infrared radiation given off by Earth
Visible light reflected by clouds
X-rays arriving from outer space
30s
Which natural factor is linked to the cycle of ice ages and warmer periods over tens of thousands of years?
El Niño events in the Pacific
The 11-year sunspot cycle
Changes in Earth's orbit around the Sun
Single large volcanic eruptions
30s
Why does melting Arctic sea ice speed up global warming?
Melting ice releases carbon dioxide
Cold meltwater gives off extra heat
Meltwater raises sea level, warming air
Dark ocean absorbs more sunlight than ice
30s