Global Warming

The greenhouse gas having the greatest role in human-caused global warming is

• methane
• carbon dioxide
• CFCs (chlorofluorocarbons)
• ozone

As greenhouse gases increase, oceans are becoming

• clearer
• saltier
• more acidic
• muddier

The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

Deforestation contributes to greenhouse gases by

• loss of trees that would otherwise remove carbon dioxide from the air
• burning wood releases carbon dioxide
• Both are correct

Water vapor is a greenhouse gas

• True
• False

It was hot all week last week.  Is this a sign of climate change?

• Yes
• No

Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of global warming?

• yes
• no

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

Which of the following is contributing to an increase in carbon dioxide in the atmosphere?

• deforestation
• photosynthesis
• oceans
• all of the above

Things you can do to help decrease global warming include:

• Eat more ice cream.
• Keep your freezer door open.
• Keep your air conditioner on high.
• Turn off your lights when you’re not using them.

Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above