LifeStraw

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lifestraw

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the brand origin?Switzerland
2. What is the filtration technology?Hollow fiber membrane and activated carbon
3. What is a LifeStraw and how does it clean water?It is a small straw that lets you drink dirty water safely. It uses tiny hollow fibers that block germs and microplastics, so the water that comes out is clean.
4. How long can a LifeStraw clean water for one person?It can filter up to 4,000 liters of water, which is enough for about three years of drinking water for one person.

Water Scarcity: The lack of sufficient available freshwater resources to meet the demands of water usage within a region.
Pathogens: Disease-causing microorganisms, such as bacteria and viruses.
Adsorption: A process where molecules of a substance adhere to the surface of another substance, like activated carbon.
Reverse Osmosis: A water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.