8th Grade Science MCAS Review

Front

What are the consequences of climate change?

Back

Stronger hurricanes, Increased flooding, Frequent droughts, All of the above.

Front

When are the direct rays of the Sun directly above the equator?

Back

The equinoxes.

Front

What has happened to the level of carbon dioxide in the atmosphere over the past 200 years?

Back

Increased steadily.

Front

What conclusion can be made from the graph showing atmospheric carbon dioxide levels since 1960?

Back

Atmospheric carbon dioxide levels have increased steadily since 1960.

Front

What is a consequence of deforestation?

Back

Less plants to absorb carbon dioxide, a greenhouse gas.

Front

What is climate change?

Back

A long-term alteration in temperature and typical weather patterns in a place.

Front

What is the greenhouse effect?

Back

The process by which certain gases trap heat in the atmosphere, leading to a warming effect.

Front

What are greenhouse gases?

Back

Gases that contribute to the greenhouse effect, including carbon dioxide, methane, and nitrous oxide.

Front

What is an equinox?

Back

The time when day and night are of equal length, occurring twice a year.

Front

What is deforestation?

Back

The clearing or thinning of forests by humans.