What is the Zika Virus? – vocabulary, video, and exercises with answers.

I suggest that you read this list of words you may not know before watching the video.


To spread : to become larger or to affect a large area.
Ex. The fire spread through the six-storey building via the single staircase which acted as a chimney.

To detect : to discover or ascertain the existence.
Irregularities were detected on seven of the websites.

To break out : if something dangerous or unpleasant breaks out, it suddenly starts.
War broke out in 1914.

To transmit : to give or pass from one person to another; to cause (a virus, disease, etc.) to be given to.
Hepatitis C is a life-threatening viral disease transmitted primarily by blood contact.

To link : to make a connection between two or more things, ideas or people.

Paralysis : a condition in which you can’t move or feel al or part of your body.

Spike : a very high level.

Outbreak : a sudden increase, rise.

Mild : not strong in action or effect.

Vaccine : a substance injected into a person or animal to protect against a particular disease.

Downloadable PDF: What is the Zika Virus – vocabulary

Answer the following questions:

  1. How many people could be affected by Zika virus this year?

  2. Where was it discovered and when?

  3. Where did it break out in 2015?

  4. How is this virus transmitted?

  5. What are some of the effects of Zika virus?

  6. Is there a treatment for this virus?

  7. When could be ready a vaccine against Zika virus?

Fill in the gaps with the correct word from the box.

fill in the gaps


  1. Zika virus could _________ tofour million people this year.

  2. It was ____________ in Uganda in the 1940’s.

  3. It ______________ in the Americas and the Caribbean in 2015.

  4. Zika is _______________ through a particular species of mosquito that ______________ mostly in tropical regions.

  5. Zika has been _______________ to paralysis and birth defects.

  6. Officials are now _____________ pregnant women not to travel to places where there is an active Zika ___________.

  7. Officials say finding a vaccine could _____________ to a decade.

Downoadable PDF: What is the Zika Virus – exercises

Downloadable PDF: What is the Zika Virus – correct answers


Who invented the Internet? And Why?


Creditpraise or special attention that is given to someone for doing something or for making something happen.
Example: She got no credit for solving the problem.

To threaten: to tell someone that you will kill or hurt them or cause problems if they do not do what you want.
ExampleThey threatened the boy with a gun.

Geek: meaning.

Myriad: a very large number of things.

Mainframe: a large and very fast computer that can do many jobs at once.

*Interesting article on this topic: The First Mainframe .

Behemoth: something very big and powerful.

Packet switching:  a digital networking communications method that groups all transmitted data into suitably sized blocks called packets.

Congestion: too blocked or crowded and causing difficulties.
Example: Yesterday, there was a traffic congestion

Gateway: a hardware device that acts as a “gate” between two networks.

To spread: to open, arrange, or place (something) over a large area.
Example: The fire spread very rapidly because of the strong wind.

Steadily: not changing much.

Retail: the sale of goods in small quantities directly to customers.

Downloadable PDF: Who invented the Internet – Vocabulary

Verb tenses review

Fill in the gaps with the correct form of the verbs in the brackets:

  1. So, have you ever _____________ (to wonder) who actually _____________ (to invent) the Internet?
  2. Or _________ (to be) it thanks to a myriad of smart scientists ________________ (to work) on something they __________ (to know) _____________ (to be)  useful but _______________________ (to realize – negative form) would be so big?
  3. One popular but wrong story ________ (to be) that the internet ________________________ (to develop) by the USA so they ___________ (to have) a communication network that would survive a nuclear war.
  4. With time-sharing, these behemoths could ______________ (to process) several tasks at a time, which _____________ (to mean) their power could be used by several scientists at once.
  5. And, obviously, once you _________________ (to start) ___________________ (to connect) computers together you ________________ (to start) to wonder about what you ________________ (to need)to do to make communications between them easier.
  6. The French also _______________ (to play) a role. They _________________________ (to work) on a scientific network called CYCLADES, but they ______________ (to have – negative form) a big budget, so they ________________(to decide) to work on direct connections between computers, as opposed to working with gateway computers.
  7. The TCP/IP protocols _______________ (to form) the basic communication language of the internet, which _______________ (to label) the packets of data and ________________(to make) sure that even though some pieces of the same data ____________________ (to take) a different route, they all _________________ (to arrive) at their destination and can be reassembled.
  8. Networks really ________________ (to begin) ________________________ (to communicate) with each other in 1975, so you could _______________ (to argue) that __________________ (to be) the beginning of the internet.
  9. Most internet traffic in 1976 _____________ (to be) email, because academics ____________________ (to think) electronic post-it notes ______________ (to be) dead-core.
  10. He _____________ (to do) so by __________________ (to invent) an interface _________________ (to use) HTTP, HTML, and URLs that _________________ (to make) internet browsers possible.

Downloadable PDF: Who invented the Internet – fill in the gaps activity

Correct answers: Correct answers – Fill in the gaps activity – Who invented the internet