Climate change

We are interested in looking at climate change during the Quaternary period. The Quaternary period is the last ………………………………… years. What fills the blank?

The quaternary period is generally a cooler period

• True

• False

During the Quaternary period there have been cycles of warming and cooling that last thousands of years. What is a period of cooling called?

Since 1000AD there have been three main periods of warming and cooling. They are Medieval Warming, the Little Ice Age and ………………………?

Which of the following years would be found in the period known as the Little Ice Age? Choose ONE correct answer.

• 4BC

• 1100AD

• 1500AD

• 2003AD

The Earth’s orbit changes every 100 000 years. What shaped orbit results in a colder climate on Earth?

What are the dark patches on the sun called that affect the amount of solar output?

When a volcano erupts it releases both sulphur and …………? These both affect the amount of solar radiation that reaches the Earth’s surface.

Does a large volcanic eruption cause global warming or global cooling?

• Global warming

• Global cooling

Humans are causing climate change through the ____________ greenhouse effect.