Mechanical energy is the energy released when the chemical bonds of a material change.

Nuclear energy is the energy that moves objects by applying a force.

Radiant energy is energy traveling as waves.

Thermal energy is the flow of tiny charged particles called electrons.

Energy from gravity is the energy of position or place.

Photosynthesis is the name for materials from plants and animals that have chemical energy stored in them.

Biomass can be converted to liquid fuel, such as ethanol and biodiesel.

Hydropower is the energy in moving water that can turn a waterwheel or turbine.

Renewable sources can be continuously replaced.

Non-renewable sources include the sun, wind and water.

The law of conservation energy says that energy can change from one form into another, but it cannot be created or destroyed.

Methane (CH4) comes from the use of nitrogen fertilizers and burning fossil fuels.

Carbon dioxide (CO2) is released when we burn oil, coal and natural gas.

Primary energy is energy found in nature before we convert it to do work.

Nuclear energy is the energy released when chemical bonds of a material change.

Electricity is a primary source that can be produced from any source.

Most electricity in the U.S. is made by using ___________ to turn turbine-generators.

The two basic states of energy are_________and ___________.

Energy sources that cannot be replaced are called______________.

Radiate energy is the energy that moves objects by applying a force.

Biological conversion includes fermentation to convert biomass into ____________.

Methane is also a strong ________________ gas.

There are many sources of biomass used in the U.S. today. Two sources, wood and ______,

Hydropower is one of the oldest sources of energy for producing ______________ and electrical energy.

Because water is about 800 times denser than air,_______ have to be much sturdier and heavier than wind turbines.

Many different methods and technologies for capturing and converting ___________ to electricity are under development.

Water in a reservoir has gravitational________energy

Coal is classified as a ________ energy source

__________ is crumbly and has high moisture content, which contributes to its low heating value.

Mountaintop removal is a form of surface mining where the tops of mountains are _________and removed to access coal seams.

The steel and iron industries use coal for ___________metals.

________mining is used to extract about one-third of the coal in the United States.

The two largest coal mines in the United States are located in what state?

Solar energy is ________ energy.

Solar energy is considered a _____________energy source.

The_________ makes energy in its inner core in a process called nuclear fusion.

Concentrating solar energy technologies use mirrors to reflect and _______________ sunlight onto receivers.

Wind turbines use blades to collect the wind’s __________ energy.

Favorable sites include the tops of smooth, rounded hills; open plains and __________.

Vertical-axis turbines have blades that are attached to the top and the bottom of a __________ rotor.

Wind speed can be measured using a _________ or anemometer.

The energy in biomass comes from the _______.

The _______ wrench is used in places that are inaccessible to common wrenches.

What type of wrench surrounds and grips all corners when loosening and tightening bolts and nuts?

What type of blade does the standard screwdriver have?

What items should be considered when evaluating shop safety guidelines?

What are the two main federal agencies that issue guidelines and oversee safety in the workplace?

If someone encounters electrical current and receives an immobilizing shock, what is the first step you should take if they are still in contact with the current?

What are some proper groom and hygiene practices within the shop?

Match the class of fire with the description of the fire:

Class A

Match the class of fire with the description of the fire:

Class B

Match the class of fire with the description of the fire:

Class C

Match the class of fire with the description of the fire:

Class D

Match the class of fire extinguisher with it's contents:

Class A

Match the class of fire extinguisher with it's contents:

Class BC

Match the class of fire extinguisher with it's contents:

Class ABC

Match the class of fire extinguisher with it's contents:

Class D

Wind ________, are clusters of wind turbines used to produce electricity

___________-_____ turbines have blades like airplane propellers.

The five states with the most electricity generation from wind in 2019 were __________, Oklahoma, Iowa, Kansas, and California

In 2019, wind turbines in the US were the sources of about ___% of total US utility-scale electricity generation.

Water-pumping _________ were once used throughout the US.

During the day, air ______ the land heats up faster than air over water.

Beginning in the late 1950s, PV cells were used to power US space _________.

Solar cells are made up of ________.

Sometimes photovoltaic cells are called _______ cells or solar cells

It wasn't until the price of oil skyrocketed in the _____ that people became interested in hydropower again.

Power plants install machines called ___________ to remove most of the sulfur from coal smoke.

Anthracite contains 85-97% carbon and generally has the highest ___________ value of all ranks of coal.