ES Unit 4 (climate change) Readings 1-4 Review

Front

What happens to water as it warms?

Back

Water expands as it warms.

Front

What is the effect of warming water on sea levels?

Back

Warming water causes sea levels to rise more quickly.

Front

Why are greenhouse gases essential for life on Earth?

Back

They keep Earth's temperature within a range where life can flourish.

Front

What has been the trend in energy efficiency over the past 40 years?

Back

Energy efficiency has improved, allowing more energy to be obtained using fewer resources.

Front

Has the improvement in energy efficiency offset the increasing energy use per person?

Back

No, people use more energy per person on average.

Front

Which greenhouse gas is more intense than carbon dioxide?

Back

Methane is more intense than carbon dioxide.

Front

What is the primary absorber of extra energy retained by greenhouse gases?

Back

Oceans absorb most of the extra energy retained by greenhouse gases.

Front

Define greenhouse gases.

Back

Greenhouse gases are gases that trap heat in the atmosphere, contributing to the greenhouse effect.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases.

Front

List three major greenhouse gases.

Back

Carbon dioxide, methane, and nitrous oxide.