El Nino/Global Warming Review

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

Both El Nino and La Nina have this in common

• Influence birds that migrate over the ocean

• Influence rainy / dry weather world wide

• The weather at the polar regions

• The directions that ships travel in the oceans

The picture represents a(n) ___ event.

• El Nino

• La Nina

• Non-El Nino (normal conditions)

When La Nina and hurricanes pull cold water to the surface and bring nutrient rich sediments from the seafloor, this is called ___________________.

• upwelling

• downwelling

• El zapato

• La Gloria

An El Nino event occurs when the tropical ocean surface waters are warmer in which ocean?

• Atlantic

• Indian

• Pacific

• Arctic

Where does the term El Niño come from and what does it mean?

• “The Child,” due to its appearance around the Christmas season

• "The Chile," due to its appearance around Thanksgiving

• "The Kid", due to its appearance around Easter

• "The Family", due to its appearance around 4th of July

What is the greenhouse effect?

• warming of the earth due to gases in our atmosphere.
• cooling of the earth due to gases in our atmosphere

The following graph tells us what?

• Sea Levels are decreasing.
• Sea Levels are rising.

Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Nitrous Oxide
• All answers are correct

Why is the increase of Greenhouse gasses a big issue?

• It causes climate change and increase in the global temerature 
• It can lead to a major increase in Greenhouses 
• It leads to more factories
• It causes a major decrease in people