Natural climate change (Edexcel GCSE Geography A): Quizzes
📚Quizzes
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14 questions from this quiz
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Practise the questions
14 questions from this quiz
How long is the Quaternary period?
How long is the Quaternary period?
2.6 million years
How many cold periods occurred during the Quaternary period?
How many cold periods occurred during the Quaternary period?
More than 60
How long did each cold period typically last during the Quaternary?
How long did each cold period typically last during the Quaternary?
100,000 years
How long do interglacial periods typically persist?
How long do interglacial periods typically persist?
Around 15,000 years
What type of climate period are we currently living in?
What type of climate period are we currently living in?
An interglacial period
How much lower were temperatures during the middle of the last ice age compared to today?
How much lower were temperatures during the middle of the last ice age compared to today?
5°C lower
How often does the eccentricity cycle occur?
How often does the eccentricity cycle occur?
Every 100,000 years
How often does the axial tilt cycle occur?
How often does the axial tilt cycle occur?
Every 40,000 years
How often does Earth's precession cycle occur?
How often does Earth's precession cycle occur?
Every 24,000 years
What happens when Earth follows a more circular orbit?
What happens when Earth follows a more circular orbit?
It experiences warmer periods
What happens when Earth's axial tilt angle increases?
What happens when Earth's axial tilt angle increases?
Hotter summers & colder winters
How do major volcanic eruptions affect global climate?
How do major volcanic eruptions affect global climate?
Cause cooling by blocking solar radiation
What do wider tree rings typically indicate?
What do wider tree rings typically indicate?
Warmer, wetter climate conditions
What do ice cores contain that provides climate evidence?
What do ice cores contain that provides climate evidence?
Volcanic ash, organisms & air bubbles