Newsela articles

Where has the idea of using purified toilet water already been tried out?

• Tennessee

• Namibia

• All of Africa

• No where

How have Californians reacted to the idea of using toilet water?

• There has been a lot of opposition to the idea

• People are lazy to get the change to happen but are ok with it

• Most people really like the idea

• All Californians are behind the idea and are ready to get started

What has been changing the minds of Californians to the idea of using toilet water for drinking?

• The lack of sea water

• The local government makes many ads about it

• The drought in California

• The increased flooding

After the toilet water is purified, they say _____________

• It is still a bit too dirty to drink

• It is close to clean but could have some harmful effects

• It is the cleanest water that humans can access

• it is cleaner than most bottled waters

In the article about ice in Antarctica, choose the two things that can record the air temperature.

• Houses

• Tree rings

• Sand at the bottom of the ocean

• Ocean saltiness

In the ice article, what are scientists looking for?

• Tiny animals that were trapped in the ice 1 million years ago

• Air that was breathed 500 million years ago

• An ice core that is 1 million years old or older

• How hot the volcanoes could get during an ice age

Another project from the ice article is taking ice cores from 2,000 years ago. What is the purpose of that?

• They want to compare wind speeds then and now

• They want to see what types of animals were still alive back then

• They want to compare and see how much salt was in the ocean back then

• They want to compare and see how humans are affecting the climate

In the ice article, it says that scientists have about _____ ice cores, but most go back less than 100 years

• 50

• 100

• 2,000

• 5