CH 9 Energy Sources

Unwanted radioactive products formed during nuclear reactions are called ____.

• nuclear waste

• nuclear fuels

Petroleum, natural gas, and coal are the three kinds of ____.

• fossil fuels

• nuclear waste

The type of fossil fuel that forms from the remains of fernlike plants is ____.

• coal

• uranium

Tags

NGSS.HS-LS2-5

____ is a renewable organic matter that can be burned in the presence of oxygen to convert chemical energy to thermal energy.

• Biomass

• Petroleum

Tags

NGSS.HS-PS3-3

Devices that use semiconductors to produce electricity from solar energy are ____.

• photovoltaic cells

• photometers

Tags

NGSS.HS-PS3-2

NGSS.HS-PS4-5

Electricity produced by falling water is called ____.

• hydroelectricity

• tidal energy

Tags

NGSS.HS-ESS3-2

The chain reaction in a nuclear reactor is controlled by inserting the ____.

• boron or cadmium rods

• heat exchanger

• core

• uranium

Water that flows due to the gravitational forces among Earth, its Moon, and the Sun has energy referred to as ____.

• tidal energy

• hydroelectricity

Petroleum is separated into different compounds through ____.

• fractional distillation

• nuclear fission

• fossilization

A disadvantage of using hydroelectricity is ____.

• equipment corrosion

• it can disturb natural ecosystems