Unit 9 - Vocabulary Exercises

Exercise 4 Fill the gaps using the glossary below.

#1. A group of three American students from Columbus, Ohio 14-year-olds Ashton, Julia and Luke – also found a new use for waste materials. ___________ is used for packaging and disposable foam cups.

#2. It takes up a huge part of America’s landfills and can take hundreds of years to degrade. However, they also discovered that polystyrene consists of over 90% carbon and could be used as carbon filters to remove ___________ from polluted water!

#3. Their filters successfully filter many of the same ___________ that commercial filters remove from water.

#4. They won the ___________ American Innovators Award for

#5. their ___________.

#6. The youngest winner was 13-year-old Anushka from Portland, Oregon (US). She really enjoys chemistry and was inspired by Marie Curie, who made major ___________ in modern medicine.

#7. Anushka wanted to find a ___________ for the problem of chronic wound care.

#8. These wounds need a wet environment to heal, but changing the ___________ too often can mean that these wounds take a long time to heal.

#9. Now Anushka has found a way to help doctors analyse the state of a wound without removing its dressing. She came up with a sensor which is cheap to make and ___________ .

#10. Her ___________ can help people with chronic wounds heal more quickly. She was given the LEGO Education Builder Award.

Results