• Aucun résultat trouvé

Exercise one. Practice pronouncing the following words. 1.

N/A
N/A
Protected

Academic year: 2022

Partager "Exercise one. Practice pronouncing the following words. 1."

Copied!
1
0
0

Texte intégral

(1)

Exercise one. Practice pronouncing the following words.

1. steam /stiːm/

2. generator /ˈdʒen.ə.reɪ.tər/

3. turbine /ˈtɜː.baɪn/

4. rotor /ˈrəʊ.tər/

5. shaft /ʃɑːft/

6. coil /kɔɪl/

7. magnetic /mæɡˈnet.ɪk/

8. blackout /ˈblæk.aʊt/

Exercise two. Associate each of the previous words to its definition.

a. ____________ : a rod forming part of a machine such as an engine, that turns in order to pass power on to the machine

b. ____________ : when there is no light or power because of an electricity failure

c. ____________ : a part of machine that spins, especially the device supporting the turning blades of a helicopter

d. ____________ : a machine that produces electricity

e. ____________ : the hot gas that is produced when water boils f. ____________ : with the power of a magnet

g. ____________ : a twisted length of wire through which an electric current travels

h. ____________ : a type of machine through which liquid or gas flows and turns a special wheel with blades in order to produce electricity.

1. The natural resources

a. The natural resources which are mentioned:

b. Two categories to classify them:

c.The US main type of production of electricity:

d. The fuels used:

2. How does a thermal power plant work?

a. Fill in the blanks with words from the video:

“Fuels like coal, natural gas, biomass and uranium are used to ______ water until it produces ______ which powers a __________ and generates _________ . That steam turns propeller like blades around a ________ inside the turbine. This turning rotor connects to a main _______ which spins _________ with a _______ inside a generator.

It’s the generator inside the turbine that converts _________ energy into ________ energy and creates __________.”

b. Is steam an efficient method of producing electricity? Why or why not?

⃝ YES ⃝ NO

Justify:

c. Explain the different states of water molecules in the process:

Références

Documents relatifs