Climate Change (OCR GCSE Geography A (Geographical Themes)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
How often is a new layer of ice formed in ice sheets?
How often is a new layer of ice formed in ice sheets?
Each year
How many years of temperature data did one Antarctic ice core reveal?
How many years of temperature data did one Antarctic ice core reveal?
400,000 years
What do scientists analyze in ice layers to determine past temperatures?
What do scientists analyze in ice layers to determine past temperatures?
Trapped gases
When did accurate temperature measurement using thermometers begin?
When did accurate temperature measurement using thermometers begin?
1850s
Where is pollen preserved so scientists can study past climates?
Where is pollen preserved so scientists can study past climates?
In sediment at bottom of lakes
How does preserved pollen help scientists understand past climates?
How does preserved pollen help scientists understand past climates?
Similar plants indicate similar conditions
Under what conditions are tree rings thicker?
Under what conditions are tree rings thicker?
Warm, wet conditions
How many years of climate change can tree rings reliably show evidence for?
How many years of climate change can tree rings reliably show evidence for?
10,000 years
What is climate change?
What is climate change?
Significant change over long period
What term describes the rapid increase in global temperatures?
What term describes the rapid increase in global temperatures?
Global warming
What has caused the sharp rise in temperatures over the last century?
What has caused the sharp rise in temperatures over the last century?
Human activity
How do scientists determine a tree's age using tree rings?
How do scientists determine a tree's age using tree rings?
Count the rings