Vocabulary
Population Growth
Air Pollution
Impacts on Land
Water Pollution
100
A condition in which the number of humans grows beyond what the available resources can support
What is a overpopulation?
100
The removal of trees for agriculture and logging contributes to this environmental issue.
What is deforestation?
100
A specific, identifiable source of pollution, like a factory pipe dumping waste into a river, is called this.
What is a point source?
100
The spread of desert-like conditions into previously fertile areas.
What is desertification?
100
About 97% of Earth’s water is undrinkable because it contains this substance.
What is salt?
200
The practice of allowing renewable resources time to recover and replenish.
What is sustainable use?
200
The size of the human population in 2022
What is 8 billion?
200
This term describes pollution that comes from many sources, such as car emissions in a big city.
What is a nonpoint source?
200
The process of restoring land that has been damaged by erosion, mining, or waste disposal.
What is land reclamation?
200
This type of pollution occurs when factories discharge heated water into lakes and rivers, harming aquatic life.
What is thermal pollution?
300
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two
What is ozone?
300
This term describes the contamination of Earth's land, water, or air due to human activities.
What is pollution?
300
This harmful gas, formed from car and truck emissions, creates a toxic form of oxygen that harms human lungs.
What is ozone?
300
The loss of nutrients from soil due to repeated farming of the same crops.
What is nutrient depletion?
300
This term describes when there is not enough water to meet the needs of an area, often caused by drought or pollution.
What is water scarcity?
400
The process by which water, ice, wind, or gravity moves weathered particles of rock and soil.
What is erosion?
400
This term describes a pattern in which a population grows at an increasing rate over time.
What is exponential growth?
400
The burning of coal and oil releases gases that mix with water in the atmosphere, causing this harmful type of precipitation.
What is acid rain?
400
This logging method is better for the environment because only some trees are removed, leaving the ecosystem intact.
What is selective cutting?
400
When fertilizers and animal waste wash into water sources, they can cause this type of harmful overgrowth of algae.
What is an algal bloom?
500
The water and human wastes that are washed down sinks, toilets, and showers.
What is sewage?
500
The Industrial Revolution contributed to population growth by improving these two key factors.
What are farming methods and public health?
500
This colorless, odorless radioactive gas can seep into homes from underground and cause lung cancer.
What is radon?
500
This process removes the top layer of soil, exposing minerals but increasing erosion.
What is strip mining?
500
This massive area of floating plastic waste in the Pacific Ocean contains about 2 million bits of plastic per square mile.
What is the Great Pacific Garbage Patch?