Another Look at Renewable Energy

ResourcesStudent will identify five types:

hydroelectric, solar, wind, biofuels and geothermal

Alternative Energy Resource:

Geothermal Energy

What is the renewable resource?

Advantages and Dis-advantages

Geo= _________________

Therm= _______________

Geothermal energy is always produced ___________________.

Scientist drill into the Earth to reach __________

from the ______________.

There are hot spots on Earth where __________________bubble out of the Earth.

A _____________ is a hot spring

Advantages:

Disadvantages:

Alternative Energy Source:

Hydroelectric Power

What is the renewable resource?

Advantages and Dis-advantages

hydroelectric power •Moving __________is used to

make__________________.

•Hydro is a prefix that means _____________.

•Water is the renewable resource. It is renewed in the water cycle.

•Turbines turn moving water into __________________energy.

Advantages:

•Water is renewable

•It is a clean energy source

Disadvantages:•It costs a lot to build a dam

•It can damage habitats

•It can damage the environment and dry up flood plains

Alternative Energy Source: Solar Energy

What is the renewable resource?

Advantages and Dis-advantages

•Solar panels are used to collect the ___________________.

They change the sun’s energy into ___________________

•Sol is a root ______________

•Solar energy is ___________________

•The sun is always shining.

Advantages:•The sun is renewable

•It is a clean energy source

Disadvantages:

•Solar panels can be expensive

•They don’t work when it is cloudy

•They don’t produce electricity at night

Alternative Energy Source: Wind turbine Farm

What is the renewable resource?

Advantages and Dis-advantages

A wind turbine captures

the ____________. It turns

moving air into _____________. Air or wind

is a renewable resource. It can be _____________________.

Advantages:

Disadvantages:

Alternative Energy Source: Biofuels or Biomass

What is the renewable resource?

Advantages and Dis-advantages

Biofuel from plants A biofuel uses the energy

in ____________. It turns plants or animal waste into a _____________.

Biofuels are ________________resource.

Waste or plants can quickly be ___________________.

It’s what we’ve been burning to create energy for years like wood, grass, and peat

Advantages:

•Renewable energy source•Plants can be quickly regrown•Animal waste products readily available

Disadvantages:

•Impact of using crops as fuel and NOT food.

•Doesn’t release the same amount of energy as fossil fuels

Renewable Energy Sources

Water and Geothermal

Hydroelectric Energy

Solar Energy

Wind Energy

Biofuels