UNIT 10: ENERGY SOURCES (level 2)

What is the main goal of factories that use machines to __________ goods in large quantities?

• recycle
• produce
• save
• protect

Coal and oil are examples of __________ resources because they cannot be replenished once used.

• renewable
• non-renewable
• recyclable
• sustainable

If we do not use energy efficiently, we will eventually ______ all the available resources.

• recycle
• run out
• protect
• overheat

Fossil fuels are a limited __________ of energy, and their overuse can lead to environmental damage.

• source
• energy
• power
• heat

______ energy is generated using the heat from the Earth's core.

• Wind
• Solar
• Nuclear
• Hydro

Wind ______ is one of the cleanest energy sources available today.

• source
• energy
• power
• gas

The dam was built to generate hydroelectric __________ for the entire region.

• electricity
• power
• heat
• light

Due to their limited availability, __________ resources like oil and coal will eventually run out if overused.

• renewable
• non-renewable
• cheap
• expensive

Solar ______ are installed on rooftops to harness sunlight.

• bulbs
• panels
• generators
• batteries

The main disadvantage of ______ energy is that it can be very expensive to produce.

• solar
• wind
• nuclear
• hydro