R.I. 4.2 (First three Rungs)

Antarctica is a desert. It does not rain or snow a lot there.

The only plants that can live in a place that cold are moss and algae.

NASA uses satellites to study Antarctica.

In winter, Antarctica is on the side of Earth tilted away from the sun.

Antarctica is a special place on Earth and important for scientists to study.

Antarctica has a lot of meteorites.

People never visit Antarctica because of how dangerous it is.

Antarctica is a beautiful place, but should not be visited by people.

"Melting ice sheets in Antarctica may change sea levels all over the world."

"Antarctica is covered in ice."

"When it snows, the snow does not melt and builds up over many years to make large, thick sheets of ice, called ice sheets."

"NASA sends teams to Antarctica to learn more about the planet Mars."