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EnergyEnergyBasicsBasics

RenewableRenewableEnergyEnergy

NuclearNuclearEnergyEnergy

FossilFossilFuelsFuels PotpourriPotpourri

The first law of The first law of thermodynamics thermodynamics

states this.states this.

What is that energy What is that energy can neither be can neither be

created or destroyed?created or destroyed?

The second law of The second law of thermodynamics states thermodynamics states

this.this.

What is that energy What is that energy goes from a more goes from a more

useable form (higher useable form (higher quality) to a less quality) to a less

useable form (lower useable form (lower quality) form during quality) form during energy conversions?energy conversions?

Energy efficiency is Energy efficiency is calculated using this calculated using this

equation.equation.

What isWhat is

Energy Efficiency = Energy Efficiency =

Energy Out/Energy In?Energy Out/Energy In?

(multiply by 100 for (multiply by 100 for %)%)

Calculate the percent Calculate the percent efficiency in of a efficiency in of a

furnace that delivers 1 furnace that delivers 1 BTU of heat energy to BTU of heat energy to the house for every the house for every 1.5 units of energy 1.5 units of energy

burned as fuel.burned as fuel.

What is 67%?What is 67%?Efficiency = 1/1.5 X100Efficiency = 1/1.5 X100

In the United States In the United States this is the primary this is the primary source of electrical source of electrical

energy.energy.

What is coal?What is coal?

Burning wood is an Burning wood is an example of this type of example of this type of

renewable energy.renewable energy.

What is biomass?What is biomass?

Burning wood is an Burning wood is an example of this type example of this type of renewable energy.of renewable energy.

What is biomass?What is biomass?

Building a house with Building a house with large windows facing large windows facing south in the northern south in the northern

hemisphere is hemisphere is utilizing this type of utilizing this type of renewable resource. renewable resource.

(Be specific!)(Be specific!)

What is passive solar What is passive solar power?power?

In regard to COIn regard to CO22 emissions, biomass is emissions, biomass is

said to be better said to be better because it…because it…

It releases new carbon It releases new carbon not old carbon as is the not old carbon as is the case with fossil fuels.case with fossil fuels.

The process of The process of splitting water for splitting water for

hydrogen fuel cells is hydrogen fuel cells is known as.known as.

What is hydrolysis?What is hydrolysis?

In 1986 the worst nuclear In 1986 the worst nuclear disaster took place here.disaster took place here.

What is Chernobyl, Ukraine?What is Chernobyl, Ukraine?

The largest nuclear The largest nuclear generation facility in generation facility in the United States is the United States is

located here.located here.

What is What is Arizona?Arizona?

A metal has a radiation level A metal has a radiation level of 100 curies, and for it of 100 curies, and for it to be considered 'safe' to be considered 'safe'

must degrade to a curie level must degrade to a curie level of below .1 curies. This is the of below .1 curies. This is the number of half lives required number of half lives required

for this metal to become for this metal to become 'safe'.'safe'.

What are 10 half lives?What are 10 half lives?

At time zero, there are At time zero, there are 10.0 grams of W-187. 10.0 grams of W-187.

If the half-life is 24 hours, If the half-life is 24 hours, how much will be present at how much will be present at

the end of two days?the end of two days?

What is 2.5 grams?What is 2.5 grams?One day = one half-lifeOne day = one half-life

(1/2)1 = 0.50 remaining = 5.00 g (1/2)1 = 0.50 remaining = 5.00 g Two days = two half-lives; Two days = two half-lives;

(1/2)2 = 0.25 remaining = 2.50 g(1/2)2 = 0.25 remaining = 2.50 g

When radioactive decay When radioactive decay occurs this is released.occurs this is released.

What is alpha, What is alpha, beta and gamma beta and gamma

radiation?radiation?

The type of coal with The type of coal with thethe

most energy is this.most energy is this.

What is anthracite What is anthracite coal?coal?

Coal deposits form inCoal deposits form inthis type of this type of ecosystem?ecosystem?

What are swamps?What are swamps?

The fossil fuel thatThe fossil fuel thatis generally is generally consideredconsidered

the least damagingthe least damagingenvironmentally is environmentally is

this.this.

What is natural gas?What is natural gas?

The youngest form of The youngest form of true coal is this.true coal is this.

What is lignite? What is lignite?

The time when one The time when one half of the Earth’s oil half of the Earth’s oil has been exploited is has been exploited is

known as this.known as this.

What is peak oil?What is peak oil?

This country This country uses more uses more

nuclear energy nuclear energy than any other.than any other.

What is France?What is France?

A calorie is a unit of A calorie is a unit of ______?______?

What is energy?What is energy?

Converting sunlight Converting sunlight to to

energy is known as energy is known as this.this.

What is active solar What is active solar power power

(using photovoltaics)?(using photovoltaics)?

One solution to the One solution to the energy crisis is finding energy crisis is finding

greater amounts of greater amounts of fossil fuels and building fossil fuels and building

larger power plants. larger power plants. This solution is known This solution is known

as this.as this.

What is the hard What is the hard path?path?

A gigawatt is a unit A gigawatt is a unit of_____.of_____.

What is power?What is power?