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ENERGY TOPICS TEST PAPER

Total questions: 90

Worksheet time: 45mins

Name
Class
Date
1.

Which source uses sunlight for power?

a)

Solar

b)

Coal

c)

Oil

d)

Gas

2.

Which source uses moving air?

a)

Wind

b)

LPG

c)

Uranium

d)

Diesel

3.

Which energy uses plant waste?

a)

Biomass

b)

Coal

c)

Nuclear

d)

Natural gas

4.

Hydropower depends on what?

a)

Flowing water

b)

Heat

c)

Oil

d)

Wind

5.

Which source taps underground heat?

a)

Geothermal

b)

Solar

c)

Biomass

d)

LPG

6.

Ocean energy comes from what?

a)

Waves

b)

Wells

c)

Mines

d)

Forests

7.

Which system converts wind energy?

a)

Turbine

b)

Boiler

c)

Battery

d)

Compressor

8.

Which factor increases solar output?

a)

Direct sunlight

b)

Strong rain

c)

Thick clouds

d)

Nighttime

9.

Which item converts biomass into biogas?

a)

Digester

b)

Turbine

c)

Pump

d)

Motor

10.

Which renewable source depends on tectonic activity?

a)

Geothermal

b)

Wind

c)

Solar

d)

Ocean

11.

Which statement describes geothermal flash steam plants?

a)

High pressure water releases steam for turbines

b)

Water is blown by windmills

c)

Sunlight heats metal panels

d)

Waves push paddles directly

12.

What limits solar farms?

a)

Land use

b)

Gas supply

c)

Oil price

d)

Coal transport

13.

Which factor reduces wind turbine efficiency?

a)

Low wind speed

b)

High visibility

c)

Solar exposure

d)

Water depth

14.

Why do biomass plants need monitoring?

a)

Emission control

b)

Water purity only

c)

Solar tracking

d)

Magnetic fields

15.

Which ocean technology uses temperature differences?

a)

OTEC

b)

Tidal pump

c)

Wave buoy

d)

Subsurface mill

16.

Which resource forms from ancient plants?

a)

Coal

b)

Wind

c)

Solar

d)

Biomass

17.

Which fuel powers most vehicles?

a)

Gasoline

b)

Wind

c)

Geothermal

d)

Sunlight

18.

Which resource is a fossil fuel?

a)

Natural gas

b)

Ocean energy

c)

Solar energy

d)

Biomass

19.

Nuclear plants use what material?

a)

Uranium

b)

Sand

c)

Wood

d)

Grain

20.

Which non-renewable resource is pumped from underground reservoirs?

a)

Oil

b)

Steam

c)

Wind

d)

Sunlight

21.

Which fuel releases the most CO2 per unit energy?

a)

Coal

b)

LPG

c)

Uranium

d)

Solar

22.

Natural gas is mostly composed of what?

a)

Methane

b)

Nitrogen

c)

Hydrogen

d)

Oxygen

23.

Which process powers nuclear reactors?

a)

Fission

b)

Evaporation

c)

Photosynthesis

d)

Erosion

24.

Oil refining separates products based on what?

a)

A. Boiling points

b)

B. Size

c)

C. Color

d)

D. Shape

25.

Which factor affects coal quality?

a)

Carbon content

b)

Temperature of air

c)

Soil color

d)

Altitude

26.

Why is natural gas considered cleaner than coal?

a)

Lower carbon emissions

b)

Higher density

c)

Thicker ash

d)

Heavier molecules

27.

Which issue affects nuclear waste storage?

a)

Long decay periods

b)

Light exposure

c)

Airflow

d)

Surface color

28.

Which fossil fuel forms under high heat and pressure in marine environments?

a)

Oil

b)

Coal

c)

Biomass

d)

Wind

29.

Which process increases oil extraction?

a)

Enhanced recovery

b)

Solar tracking

c)

Magnetic pumping

d)

Wind drift

30.

What controls the energy density of fossil fuels?

a)

Chemical bonds

b)

Flame height

c)

Turbine length

d)

Air pressure

31.

Which practice saves energy?

a)

Using LED bulbs

b)

Leaving lights on

c)

Opening fridge often

d)

Overloading sockets

32.

Which appliance uses the most energy?

a)

Air conditioner

b)

Lamp

c)

Clock

d)

Fan

33.

Which action reduces power loss?

a)

Unplugging idle devices

b)

Running empty machines

c)

Using old bulbs

d)

Leaving chargers connected

34.

Insulation helps by doing what?

a)

Reducing heat loss

b)

Stopping sound only

c)

Blocking water

d)

Stopping wind

35.

Which device measures electricity use?

a)

Meter

b)

Barometer

c)

Thermometer

d)

Hydrometer

36.

Which behavior cuts aircon load?

a)

A. Closing doors

b)

B. Opening windows on hot days

c)

C. Running it nonstop

d)

D. Using broken seals

37.

Which bulb uses less energy?

a)

LED

b)

Incandescent

c)

Halogen

d)

Neon

38.

Which practice improves appliance efficiency?

a)

Regular maintenance

b)

Ignoring filters

c)

Overcooling rooms

d)

Operating at maximum all the time

39.

Which factor raises household consumption?

a)

Phantom load

b)

Clean filters

c)

Efficient wiring

d)

Low-heat cooking

40.

Which system reduces energy waste in buildings?

a)

Smart controls

b)

Loose wiring

c)

Hot surfaces

d)

Leaking ducts

41.

Why do old refrigerators consume more power?

a)

Worn seals reduce cooling efficiency

b)

They reflect less light

c)

They store less food

d)

They run faster at night

42.

Which process improves grid efficiency?

a)

Reducing transmission losses

b)

Increasing bulb counts

c)

Running generators idle

d)

Shortening maintenance cycles

43.

Which principle guides load management?

a)

Shifting use to off-peak hours

b)

Running all devices together

c)

Ignoring demand spikes

d)

Using heaters during peak hours

44.

Which metric measures system performance?

a)

Energy intensity

b)

Surface area

c)

Weight

d)

Volume

45.

Why do inverter motors save energy?

a)

They adjust speed based on demand

b)

They heat faster

c)

They store radiation

d)

They widen voltage gaps

46.

Which part carries electricity over long distances?

a)

A. Transmission lines

b)

B. Switch

c)

C. Plug

d)

D. Pipe

47.

Which device changes voltage levels?

a)

Transformer

b)

Battery

c)

Panel

d)

Tank

48.

Which part produces electricity?

a)

Generator

b)

Radiator

c)

Plywood

d)

Jacket

49.

Which structure supports power lines?

a)

Tower

b)

Barrel

c)

Grid

d)

Vent

50.

Which item protects circuits from overload?

a)

Breaker

b)

Screw

c)

Rope

d)

Ruler

51.

Distribution lines deliver power to what?

a)

Homes

b)

Clouds

c)

Lakes

d)

Soil

52.

What spins a generator in many power plants?

a)

Turbine

b)

Filter

c)

Belt

d)

Valve

53.

Which element ensures stable voltage?

a)

Regulator

b)

Bulb

c)

Base

d)

Fuse

54.

Which part controls power flow?

a)

Switchgear

b)

Radiator

c)

Glass

d)

Wire cap

55.

Which event disrupts power supply?

a)

Fault

b)

Stitch

c)

Cut

d)

Mix

56.

Which factor affects line losses?

a)

Resistance

b)

Color

c)

Texture

d)

Shape

57.

Which grid setup improves reliability?

a)

Redundancy

b)

Single line only

c)

Overload

d)

Loose joints

58.

Why do transformers use coils?

a)

To change voltage through induction

b)

To heat wires

c)

To store gas

d)

To release steam

59.

Which system keeps frequency stable?

a)

Load balancing

b)

Filtering

c)

Painting

d)

Cooling

60.

Why do grids need synchronization?

a)

To match voltage and frequency

b)

To change wire color

c)

To reduce noise

d)

To increase mass

61.

LPG is stored in what?

a)

Cylinders

b)

Buckets

c)

Boxes

d)

Bags

62.

Which smell helps detect LPG leaks?

a)

Added odorant

b)

Natural scent

c)

Wood smell

d)

No smell

63.

Which action improves LPG safety?

a)

Checking hoses

b)

Ignoring leaks

c)

Heating cylinders

d)

Using damaged valves

64.

Which fuel powers many vehicles?

a)

Diesel

b)

Wind

c)

Solar

d)

Grain

65.

LPG stands for what?

a)

Liquefied Petroleum Gas

b)

Liquid Power Gas

c)

Low Pressure Gas

d)

Light Propane Gas

66.

Which practice cuts LPG waste?

a)

Proper sealing

b)

Leaving stoves on

c)

Damaging knobs

d)

Loose connections

67.

Which clue signals an LPG leak?

a)

Hissing sound

b)

Dry floor

c)

Cold air

d)

Clear water

68.

Which fuel has high energy content per liter?

a)

Gasoline

b)

Sand

c)

Air

d)

Ice

69.

Which action reduces fuel spills?

a)

Careful refilling

b)

Overfilling tanks

c)

Smoking near pumps

d)

Ignoring hoses

70.

Which factor affects LPG pressure?

a)

Temperature

b)

Color

c)

Weight of sticker

d)

Cylinder paint

71.

Why must cylinders stay upright?

a)

To keep liquid below the valve

b)

To absorb sunlight

c)

To support handles

d)

To warm faster

72.

Which condition raises fire risk?

a)

Poor ventilation

b)

Clean surfaces

c)

Cool tanks

d)

Tight seals

73.

Which measure protects fuel stations?

a)

Static control

b)

Loud music

c)

Sanded floors

d)

Weak grounding

74.

Why do engines knock with low-quality fuel?

a)

Poor combustion timing

b)

Strong magnets

c)

Cold air

d)

Loose belts

75.

Which law affects fuel handling standards?

a)

Safety regulations

b)

Street rules

c)

Traffic signs

d)

Road width codes

76.

DOE promotes what?

a)

Energy security

b)

Fashion trends

c)

Music laws

d)

Travel permits

77.

Brownouts happen due to what?

a)

A. Supply shortage

b)

B. Aquarium leaks

c)

C. Traffic

d)

D. Soil erosion

78.

Which issue affects energy supply?

a)

High demand

b)

Paper waste

c)

Cold drinks

d)

Paint color

79.

Which agency monitors energy policies?

a)

DOE

b)

DENR

c)

DOH

d)

DepEd

80.

Which action aligns with energy awareness?

a)

Reporting unsafe lines

b)

Ignoring faults

c)

Overloading sockets

d)

Breaking meters

81.

Which factor affects energy prices?

a)

Global supply

b)

Pen use

c)

Road width

d)

Tree height

82.

Which event disrupts grid stability?

a)

Natural disasters

b)

Lawn mowing

c)

Car washing

d)

Printing

83.

Which program promotes renewable use?

a)

Government incentives

b)

Furniture discounts

c)

Film permits

d)

Route changes

84.

Which issue links to climate impact?

a)

High carbon emissions

b)

Dry books

c)

Dirty shoes

d)

Red tiles

85.

Which concern involves energy security?

a)

Import dependence

b)

Street lighting

c)

Garden size

d)

Bag color

86.

Why monitor energy demand growth?

a)

To plan future capacity

b)

To adjust paint

c)

To count chairs

d)

To change uniforms

87.

Which challenge affects remote areas?

a)

Grid access

b)

Shoe prices

c)

Sports gear

d)

Paper thickness

88.

Which policy encourages efficient systems?

a)

Standards adoption

b)

Random choices

c)

No inspections

d)

Loosened rules

89.

Why is energy diversification important?

a)

To reduce reliance on one source

b)

To change labels

c)

To expand parking

d)

To lengthen roads

90.

Which factor influences long-term planning?

a)

Resource depletion

b)

Music volume

c)

Pen color

d)

Bag size

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