Energy Resources

Where does coal come from?

• prehistoric animals

• dead plants

• igneous rocks

• lower mantle

What contains the highest energy in the group?

• peat

• lignite

• sub-bituminous coal

• bituminous coal

From what period do fossil fuels come from?

• Carboniferous

• Fossiliferous

• Cambrian

• Mesozoic

Which is a NON-RENEWABLE energy resource?

• hydroelectric

• nuclear

• solar

• biomass

What natural phenomena is utilized in generating electricity?

• magnetic generation

• electromagnetic voltaging

• electric conservation

• electromagnetic induction

How is energy converted when a windmill is turned?

• electric to mechanical

• heat to mechanical

• mechanical to electric

• heat to electric

How does a dam generate electricity?

• collected rainwater contains electrolytes

• mass of contained water creates pressure

• water impurities from dams have ion conductors

• artificial pressure makes water spin a turbine

What is the source of geothermal energy?

• the heat from the Sun

• pressures in hydrothermal veins

• the Earth's radioactive core

• the hardness of rocks

How is lumber (biomass, wood from trees) used as an energy resource?

• It is eaten for chemical energy.

• It is burned as a source of heat.

• It is moved to spin turbines.

• All of the choices are correct.

What from the sun is absorbed in photovoltaic cells (in solar panels) to convert into electricity?

• electrons

• protons

• photons

• heat