Global Warming and Climate Change

Something that might happen because of global warming is ______________.

• lower sea level

• sale on elephant's tusks

• melting of polar ice caps

• increase of species

This is a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere.

• global warming

• climate change

• desertification

• globalization

Certain gases in the atmosphere - water vapor, carbon dioxide, methane, and nitrous oxide - help maintain the Earth's temperatures and climate. These are called ______.

• ozone gases

• solar gases

• greenhouse gases

• stomach gases

How are humans making greenhouse gases of their own?

• burning fossil fuels in our cars

• burning forests

• large-scale agriculture

• all of the choices

The temperature of Earth is stable because it is surrounded by _________, which allows the right amount of sunlight.

• cloud layer

• atmosphere

• gravity

• water

What are the things you can do to help decrease global warming?

• keep your air conditioner on high

• turn off your lights when you're not using them

• keep your freezer door open

• eat more meat

Which of these is NOT an expected effect of climate change?

• sea levels rising

• flooding in coastal cities

• expanding glaciers

• extreme weather

El Nino is a result of global warming.

• True

• False

What effect traps the heat next to Earth?

• rainforests

• the wind

• greenhouse gases

• hydrogen

What might happen if there is too much carbon dioxide in the atmosphere?

• there will be global cooling

• oceans will dry up

• there will be global warming

• there will be a sea level drop