Chapter 35: "Antarctica: Researching Climate Change at the Coldest Place on Earth"
the surface
According to global warming, which part of Earth is growing warmer over time?
being the coldest continent on Earth.
Antarctica is known for
ruin the bare spots they need for nesting.
Global warming could affect the Adelie penguins because an increase in snowfall would
- rising sea levels - widespread crop failures - newly endangered species
Global warming is predicted to lead to
by taking ice cores samples from glaciers
How do scientists learn about the climate of Antarctica thousands of years ago?
a slow increase in Earth's surface temperature.
Researchers go to Antarctica to study global warming. Global warming is
ice cap glaciers are growing
Scientists who DOUBT global warming use what evidence?
only cities and urban areas.
Scientists who doubt the global warming theory argue that increasing surface temperatures come from
common crop failures could lead to hunger.
Scientists who support the global warming theory believe that it could harm humans when
- glacier records - climate records - greenhouse gas levels *ALL OF THE ABOVE*
Scientists who support the global warming theory use ______ as their evidence.
reserved for peaceful activities.
Seven countries that claimed Antarctica signed the Antarctic Treaty in 1959. This treaty made it so Antarctica was
natural causes
Some scientists who doubt the global warming theory argue that Earth is warming due to
burning fossil fuels
The levels of greenhouse gases in the atmosphere are rising due mostly to people
Antartica's climate each year
What can scientists learn from drilling into glaciers in Antarctica?
icebergs
What do ice shelves form when their edges break off?
traps energy from the sun in the atmosphere
What does the greenhouse effect do?
It is reflected back into space.
What happens to Antarctica's small amount of solar energy?
a large ecosystem
What is a biome?
a floating sheet of ice that is attached to a coast
What is an ice shelf?
the greenhouse effect
What is the name of the natural process that keeps Earth warm?
a census
When researchers count the number of penguins in a certain location, it is called
- Earth's climate is getting warmer. - It is caused by human activity. - It is harmful to people and biomes. *ALL OF THE ABOVE*
Which of the following is a theory on global warming?
- Air temperatures are rising in some areas. - Air temperatures are falling in some areas. - Certain species of penguins are increasing. **ALL OF THE ABOVE**
Which of the following is true about Antarctica?
low and flat countries
Who will be most affected by rising sea levels?
It is the farthest continent from the equator.
Why does Antarctica get so cold?
