8th Grade Science: Unit 07 Vocabulary

The process in which carbon is cycled between abiotic and biotic factors on Earth is called ________.

• Carbon cycle

• Nitrogen fixation

• Photosynthesis

• Evaporation

Human destruction of natural forested areas is known as ________.

• Deforestation

• Afforestation

• Desertification

• Reforestation

Gases that trap heat in the atmosphere and re-radiate back to Earth's surface are called ________.

• Greenhouse gases

• Noble gases

• Inert gases

• Trace gases

An occurrence with no influence due to human impact is called a ________.

• Natural event

• Human disaster

• Technological hazard

• Man-made event

The process of people moving from rural areas to urban areas/cities is called ________.

• Urbanization

• Deforestation

• Industrialization

• Globalization

The gaseous area of air surrounding Earth is called the ________.

• Atmosphere

• Lithosphere

• Hydrosphere

• Biosphere

The areas of Earth that support plant and animal life are called the ________.

• Biosphere

• Lithosphere

• Hydrosphere

• Atmosphere

A natural or artificial reservoir that absorbs and stores more carbon dioxide from the atmosphere than it releases is called a ________.

• Carbon sink

• Carbon source

• Greenhouse gas

• Ozone layer

Any process or activity that releases carbon dioxide into the atmosphere is called a ________.

• Carbon source

• Carbon sink

• Oxygen source

• Nitrogen source

The long-term pattern of weather in an area is called ________.

• Climate

• Temperature

• Humidity

• Precipitation