In this session we will take a look at the names of the tools chemists generally use in laboratories. Also, you will learn about Percy Julian, one of the most famous chemists ever.
Image from Atico Export
In this session we will take a look at the names of the tools tools chemists use in laboratories. Also, you will learn about Percy Julian, one of the most famous chemists ever.
PART 1 - VOCABULARY
LAB TOOLS
A. Vocabulary challenge
The images and names of 20 laboratory tools are scrambled (disorganised). Drag the images to their right positions as fast as possible before you click on "Submit answers". Play against other students and show who's the best.
NOTE: Click on the "Full screen" icon, because images are small.
STRUCTURE
Watching
The uses of graphene
Playing
Take up the challenge and play against other students
Reading
Freshman-level chemistry solves solubility mystery of graphene oxide films
Comprehension
Choose the right answer
True/False
REMEMBER
Compulsory online activities on Madoc are PASS/FAIL and must be completed by the end of the semester.
SUGGESTIONS
Improve your English speaking, listening and writing skills with Duolingo, a free, fun-to-use app.
PART 2: Percy Julian, a forgotten genius.
Percy Lavon Julian (April 11, 1899 – April 19, 1975) was an American research chemist and a pioneer in the chemical synthesis of medicinal drugs from plants. He was the first to synthesize the natural product physostigmine, plus a pioneer in the industrial large-scale chemical synthesis of the human hormones progesterone and testosterone from plant sterols such as stigmasterol and sitosterol. His work laid the foundation for the steroid drug industry's production of cortisone, other corticosteroids, and birth control pills. (Wikipedia.org). Continue reading...
Before you watch: words and expressions in the video that you need to know.
Word
Meaning
Word
Meaning
Calabar bean
seed of a leguminous plant, a native of tropical Africa, poisonous to humans
Glaucoma
a group of eye conditions that damage the optic nerve
Scarce
insufficient for the demand
Made from scratch
to create something from scratch is to make it without any ingredients or materials prepared ahead of time
Set out
begin a journey (or project)
Clumsy
done without skill
Back on track
to return to the right path, or the right direction
To bristle
to be covered with or abundant in
To tackle
to make determined efforts to deal with a problem or difficult task
To cajole
to persuade
To outline
to design
Upstart
a person who has risen suddenly in rank or importance, especially one who behaves arrogantly
Low yield
producing little
Around the clock
24 hours a day
To snatch
to steal
Blunder
careless error
Armpit
a hollow under the arm at the shoulder
Irretrievably
in a way that cannot be put right
Bombshell
something or someone having a sudden and sensational effect
Go-for-broke plan
risk everything in an all-out effort
Milestone
a significant stage or event in the development of something
Accolade
a mark of acknowledgment
B. Explain these phrases with your own words.
NOTE: If you don't know the answers, you may wish to watch the video first.
