•Some of Earth’s resources are _____________. They can be regenerated through biological or chemical processes.

•Some of Earth’s resources are _____________. There is a finite amount of these resources. Once they are used up, they are gone forever.

•We drink this to survive. Without it, humans and other life forms (including plants and other animals) could not survive.

•Humans depend on clean air that contains _________.

•Plants need____________to make their own food and survive.

We depend on this for oxygen, food, medicine, and building supplies.

We use these for food, clothing, perform work, protection, and for transportation.

•Humans rely on Earth’s ______________ (coal, oil and natural gas) as a major source of energy. We use these for many things, including transportation, electricity, heating and cooking.

•Humans ___________ or convert wild animals into trained, submissive and gentle animals. In doing so, humans can use animals in a variety of ways.

•___________ is the cultivation of plants and animals for food, medicine and other products.

•___________ involves the mass production of synthetic or man-made products from natural resources.

•____________ is the extraction of minerals, metals and other natural resources from Earth’s ground. These materials are used to manufacture many of the products we use today.

•The process of converting natural habitats into urban areas is called ___________.

Human impact can be positive and negative

•Destroying natural _________ displaces native animals. If the animals cannot find another place to live, they can die.

•Humans are consuming many resources (renewable and nonrenewable) _________ than they can be replenished.

Harvesting, hunting, and destruction of habitat can cause a

Burning fossil fuels produces harmful substances known as _________.

The introduction of pollutants into the environment is called ___________.

•Pollutants can be naturally occurring or ___________ (man-made).

Pollutants are always toxic

•_____________ pollution is pollution of the hydrosphere.

•__________ pollution is pollution of the geosphere (specifically, the top layers of Earth - the crust or lithosphere).

•_________ pollution is pollution of the atmosphere.

Pollutants that enter the hydrosphere cycle around Earth through the _________

•____________can contaminate groundwater. This is concerning to humans because most of our drinking water comes from groundwater.

•Humans produce a lot of waste. Solid waste, or ________________, is made of everyday items that are discarded by humans.

•Much of solid waste is buried at sites known as _________.

•Burning_________ releases excess carbon dioxide. Too much carbon dioxide in the atmosphere can significantly warm Earth and change global climate change.

What is smog?

•Some farmers use _________ to protect crops from insects.