APES Vocabulary Quiz "H" words

herbicide

A pesticide that targets plant species that compete with crops

herbivores

Animals that consume only plant life

hazardous chemicals

Dangerous goods are solids, liquids, or gases that can harm people, other living organisms, property, or the environment. They are often subject to chemical regulations......

home energy audits

If you're curious about how much energy your home uses (and wastes due to drafty windows, etc.) and want to take steps to improve its energy efficiency, consider a home e nergy audit. Options include do-it-yourself varieties and more accurate professional audits.

high quality matter

Material such as coal or salt deposits commonly found near the Earth's surface in an organized or concentrated form, so that its potential for use as a resource is great

heat tax

a 10% tax credit for spending on property placed in service through the end of 2016.

hydrocarbons

a compound of hydrogen and carbon, such as any of those that are the chief components of petroleum and natural gas.

heat exchanger

a device for transferring heat from one medium to another.

histogram

a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval.

hemoglobin

a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group

hypothesis

a testable theory or supposition about how something works

high level waste

a type of nuclear waste created by the reprocessing of spent nuclear fuel. It exists in two main forms: * First and second cycle raffinate and other waste streams created by nuclear reprocessing.

heterotroph

an organism deriving its nutritional requirements from complex organic substances

hazardous

dangerous

hydroelectric power

electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. ...

hidden energy

he sum of all the energy required to produce any goods or services, considered as if that energy was incorporated or 'embodied' in the product itself. ...

hydropower

hydroelectric power

heavy metals

loosely defined subset of elements that exhibit metallic properties.....the transition metals, some metalloids, lanthanides, and actinides

hydroelectric James Bay Project

the construction by state-owned utility Hydro-Québec of a series of hydroelectric power stations on the La Grande River in northwestern Quebec, Canada, and the diversion of neighbouring rivers into the La Grande watershed

hydroxyl radical (OH)

the monovalent group -OH in such compounds as bases and some acids and alcohols

hydrologic (water) cycle

the movement of water through the biosphere

habitat

the natural home or environment of an animal, plant, or other organism.

human capital

the skills, knowledge, and experience possessed by an individual or population, viewed in terms of their value or cost to an organization or country.

homeostasis

the tendency toward a relatively stable equilibrium between interdependent elements, esp. as maintained by physiological processes

hazardous waste

waste that poses substantial or potential threats to public health or the environment. In the United States, the treatment, storage and disposal of hazardous waste is regulated under the Resource Conservation and Recovery Act (RCRA)

hard water

water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap

hurricane nor'easter

winter's most ferocious storms. These strong areas of low pressure often form either in the Gulf of Mexico or off the East Coast in the Atlantic Ocean. The low will then either move up the East Coast into New England and the Atlantic provinces of Canada or out to sea.