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Energies and power plants

Total questions: 57

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

Which risk is associated with using nuclear fission to produce energy in a nuclear power plant?

a)

steam exposure

b)

CO2 exposure

c)

radiation exposure

d)

exposure to climate change

2.

What is the purpose of a Steam Generator in a Nuclear Power Plant?

a)

To control the power of a nuclear reactor

b)

To transfer heat from the primary reactor coolant to the secondary side

c)

To confine fission products in case of an accident

d)

To produce steam for turbine generators

3.

Què es fa amb els residus radioactius d'una central nuclear?

a)

No n'hi ha

b)

S'enterren

c)

Es cremen

d)

Es llencen al mar

4.

Resources that are not able to be reproduced as quickly as they are used are called _____.

a)

Renewable

b)

Non-Renewable

5.

Name the type of power station.

a)

Thermal

b)

Hydraulic

c)

Tidal

d)

Nucelar

6.

Què succeeix quan l'aigua passa pels conductes d'una presa (dam) en una central hidroelèctrica?

a)

Spins the turbine

b)

Spins the generator

c)

Spins the transformer

d)

Spins de winds

7.

What do you call the area where water is stored behind a dam?

a)

reservoir

b)

water bodies

c)

transformer

d)

penstock

8.

The energy chain of a candle is

a)

Chemical -> Heat + Kinetic

b)

Electrical -> Heat + Mechanical

c)

Electrical -> Heat + Light

d)

Chemical -> Heat + Light

9.

True or False. Energy cannot be created or destroyed, rather it is transformed from one energy type to another.

a)

True

b)

False

10.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
11.

Fossil fuels are a ____________ energy source

a)

Heat

b)

Renewable

c)

Non renewable

d)

Transformation

12.

An example of a renewable energy source is

a)

Fossil fuels

b)

Natural Gas

c)

Wind turbines

d)

Acid rain

13.

Strong wind spinning a wind turbine can generate which type of energy?

a)

nuclear

b)

electrical

c)

thermal

d)

chemical

14.

Where does the energy in your home electrical come from? D'on ve l'energia que consumeixes a casa?

a)

Wires connected to a power plant

b)

We buy it from the electric company

c)

Lightning striking the house

15.


La principal activitat humana que allibera gasos d'efecte hivernacle és...

a)

using public transportation and there by reduce the affects of greenhouse gases.

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

16.

What makes the turbine turn?

a)

Air

b)

Water

c)

Steam

d)

Cold air

17.

This house uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?

a)
Water
b)

Electrical

c)

Thermal Solar

d)

Light solar

18.

Quin és el nom d'aquests panells que generen electricitat?

a)

Panells fotovoltaics

b)

Miralls d'heliòstats

c)

Panells solars tèrmics

d)

Panells

19.

Which of the following is not an example of a nonrenewable resource.

a)

plants

b)

coal

c)

natural gas

d)

oil

20.

Why is it that not all countries can benefit from geothermal energy?

a)

not all countries have enough water

b)

not all countries have volcanic activity

c)

geothermal plants produce a lot of pollution

d)

very few countries can afford to build geothermal plants

21.

Tria les dues formes d'energia d'aquesta transformació.

a)

Sound

b)

Electrical

c)

Light

d)

Mechanical

e)

Nuclear

22.

Choose the forms of energy in this transformation (mechanical, thermal, chemical, light, electrical or sound)

A toaster to toast some bread

a)

Mechanical

b)

Thermal

c)

Chemical

d)

Sound

e)

Electrical

23.

Quan deixes caure una pilota de bàsquet no rebota del tot. Això es deu al fet que part de l'energia mecànica es "perd" quan es transforma en quina de les següents? (només una)

a)

Sound

b)

Chemical

c)

Radiant

d)

Hamster

24.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy to electrical energy

b)

electrical energy to mechanical energy

c)

radiant energy to sound energy

d)

chemical energy to mechanical energy

25.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
26.
Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)


Balança de triple feix que mesura la massa d'un objecte.

b)

Un maquineta de llapis connectat a una presa de corrent.

c)

A projector

d)
A working flashlight used to light up a dark corner.
27.
Which type of energy transformation occurs when a flashlight shines?
a)
chemical → thermal → electrical
b)
chemical → electrical → light
c)
thermal → chemical → light
d)
chemical → electrical → chemical
28.
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?
a)
electrical → light → mechanical
b)
chemical → mechanical → electrical
c)
mechanical → chemical → light
d)
mechanical → electrical → light
29.
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?
a)
chemical → light → electrical
b)
mechanical → sound → light
c)
thermal → solar → electrical
d)
electrical → thermal → light
30.
Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?
a)
chemical → thermal
b)
light → chemical
c)
thermal → light
d)
chemical → electrical
31.

Solar thermal Energy is transformed into _____ Energy.

a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
32.

Electrical Energy is transformed into _____ Energy.

a)
Thermal
b)
Solar
c)
Electrical
d)
None
33.
People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?
a)
mechanical to thermal to electrical
b)
chemical to mechanical to thermal
c)
mechanical to chemical to sound
d)
chemical to sound to electrical
34.
A television works by transforming electrical energy into what other kinds of energy?
a)
Light, thermal, and sound
b)
Thermal, chemical, and solar
c)
Sound, mechanical, and electrical
d)
Light, chemical, and mechanical
35.

What is biomass?

a)

It's an energy obtained from the wind

b)

It is obtained from the sunlight

c)

It's obtained from burning plants or animal material

d)

It's obtained from the inside of the earth.

36.

What is solar energy?

a)

The most abundant energy source.

b)

An energy that contaminates.

c)

The less abundant energy source.

d)

Solar energy don't exist.

37.

Which of these shows a person using renewable energy source to perform a task?

a)

b)

c)

d)

38.

Which of the methods of generating electricity shown below does NOT use renewable energy resources?

a)

b)

c)

d)

39.

What is the mechanical energy?

a)
It is a powerful energy
b)

It's movement energy

c)
It is stored energy
d)
It is not a type of energy
40.
Sailing ships obtain  their energy from ........
a)
Gasoline
b)
Sun
c)
Wind
d)
Sea
41.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

42.

Una central solar tèrmica està composta de molts d'elements que apunten a un lloc concret: (paraula en català i en plural)

(a)  

43.
Com es converteix l'energia química dels combustibles fòssils en energia elèctrica en una central tèrmica convencional?
a)
Mitjançant l'ús de panells solars que converteixen la llum en electricitat.
b)
Mitjançant la combustió de combustibles fòssils per escalfar aigua, produint vapor que mou una turbina.
c)
Mitjançant el flux d'aigua que gira una turbina submergida.
d)
Mitjançant la fissió de materials radioactius.
44.
Quins elements són essencials en una central tèrmica per generar electricitat?
a)
Panells fotovoltaics, generadors i refrigeradors.
b)
Reactor nuclear, dipòsit d'aigua i àrea de seguretat.
c)
Caldera, turbina, generador i torre de refrigeració.
d)
Molins de vent i acumuladors d'energia.
45.
Quins avantatges presenta l'energia nuclear en termes d'emissions de CO2?
a)
Emissions zero durant el funcionament, ja que no es crema combustible fòssil.
b)
Produeix més emissions que les centrals solars.
c)
Genera una gran quantitat de CO2 en les centrals de fusió.
d)
Només redueix el CO2 quan es combina amb altres fonts d'energia.
46.
Com pot afectar l'ecosistema marí la construcció de centrals mareomotrius?
a)
Pot millorar la biodiversitat en les àrees circumdants.
b)
No té cap efecte sobre la fauna marina.
c)
Pot causar la mort d'espècies marines per atrapament en les turbines.
d)
Les centrals mareomotrius no tenen cap contacte amb l'aigua del mar.
47.

Quina d'aquestes fonts d'energia és renovable?

a)

El vent

b)

El petroli

c)

El carbó

d)

El gas natural

48.

Quina de les següents centrals elèctriques emet gasos a l'atmosfera?

a)

Central tèrmica convencional

b)

Central nuclear

c)

Central hidràulica

d)

Central fotovoltaica

49.

Quin és el principal inconvenient de les centrals tèrmiques de combustió?

a)

Poden provocar accidents molt greus, a escala estatal

b)

No funcionen de nit

c)

Generen gasos d’efecte hivernacle i pluja àcida

50.

Element d'una central tèrmica tèrmica on el vapor d'aigua es converteix novament en aigua.

a)

Caldera

b)

Reactor

c)

Torre de refrigeració

d)

Condensador

51.

Element d'una central tèrmica convencional on l'aigua es transforma en vapor

a)

Caldera

b)

Reactor

c)

Torre de refrigeració

d)

Condensador

52.

Que podem veure a la imatge?

a)

Turbines

b)

Calderes

c)

Reactors

d)

Condensadors

53.
Quin tipus de central es aquesta?
a)
Térmica
b)
Solar Tèrmica
c)
Eólica
d)
Solar Fotovoltaica
54.
Que surt per la xemeneia d'una central nuclear?
a)

Steam

b)

CO2

c)

No2

d)

Smoke

55.

Quin tipus de central és aquesta?

a)
Térmica
b)
Solar Tèrmica
c)

Eòlica

d)
Solar Fotovoltaica
56.

Quines parts formen part d'una central eòlica? (2 respostes correctes)

a)

Multiplicador

b)

Condensador

c)

Generador

d)

Caldera

57.

Escriu en català la central elèctrica que utilitza la calor de la terra per a produir electricitat. No fa falta accents ni majúscules

(a)  

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