Youtube Exercise » English Grammar Homework

7 Types of Renewable Energy

EcoMastery Project

513K views 6 years ago

Warm-up Questions

When you hear the phrase “renewable energy,” what kinds of energy do you think of?
Which type of renewable energy do you think is most common where you live?
What are two reasons a country might want to replace fossil fuels with renewable energy?

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Start With: Word Definition

Order: Alphabetical Random

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7 Types of Renewable Energy

Solar & Wind Energy (types 1–2) (00:00 – 02:53)

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1. According to the video, photovoltaic (PV) systems convert sunlight into what?

Wind power through turbines
Methane gas for heating
Electricity through solar cells
Hot water only

2. What does the video say governments may provide to encourage investment in solar energy?

Lower interest rates for all mortgages
Free solar panels for every household
Guaranteed electricity prices forever
Rebates or tax credits

3. One limitation of wind energy mentioned is that wind farms are often ____.

built in rural or remote areas far from where electricity is needed
illegal in most countries
built only in city centers
unable to produce electricity in winter

7 Types of Renewable Energy

Hydroelectric & Geothermal Energy (types 3–4) (02:53 – 05:02)

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1. Run-of-river hydropower mainly differs from a dam system because it uses ____.

radioactive decay to heat water
ocean tides to spin turbines
solar panels instead of water
a channel to funnel water rather than powering it through a dam

2. What is one negative impact of hydroelectric power mentioned in the video?

It produces large amounts of smog
It disrupts waterways and affects animals and migration paths
It requires burning coal to generate electricity
It can only be built in deserts

3. The video says a major concern with geothermal energy is its vulnerability to ____.

lack of sunlight
tidal changes
hurricanes
earthquakes in certain regions

7 Types of Renewable Energy

Ocean, Hydrogen & Biomass Energy (types 5–7) (05:02 – 08:50)

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1. Ocean mechanical energy uses the ebbs and flows of the tides, which are created by Earth’s rotation and ____.

underground steam
volcanic eruptions
radioactive decay
gravity from the moon

2. According to the video, why is hydrogen considered inefficient for preventing pollution?

It only works in landlocked states
It always produces carbon dioxide when burned
It needs energy to be produced
It cannot be used for electricity

3. The video gives methane as an example of energy from biomass because methane is produced by the natural ____ of organic materials.

rotation
decomposition
evaporation
condensation

7 Types of Renewable Energy

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1. Which energy type is described as functionally endless if we have the technology to harvest it?

Solar energy
Hydrogen fuel
Hydroelectric power
Biomass

2. Which renewable energy type is said to be predictable and more consistent than relying on sun and wind?

Biomass energy
Geothermal energy
Wind energy
Wave (ocean) energy

3. Which of these is a limitation mentioned for several renewables in the video?

They can have high costs or location constraints
They always increase smog
They require no infrastructure
They cannot produce electricity

Discussion Questions

Discuss the ideas from this video

7 Types of Renewable Energy

Which renewable energy source in the video seems most realistic for your area, and why?
The video mentions that some clean energy sources can still harm ecosystems. How should governments balance clean power and environmental protection?
Do you think high upfront costs are the biggest barrier to renewable energy adoption? What solutions could help?
Which limitation mentioned in the video do you think is most serious (cost, location, wildlife impacts, efficiency, etc.)? Explain.