Environmental Science - Midterm Review (Chapters 1-4)

Front

What is an independent variable in an experiment?

Back

A condition in an experiment which the scientist manipulates to see its effect on a different condition.

Front

What are green taxes?

Back

Taxes imposed on companies that participate in activities or produce products that are harmful to the environment.

Front

What is lobbying?

Back

Efforts to influence an elected official into supporting a specific interest.

Front

What is a molecule?

Back

A substance composed of two or more atoms, joined together through covalent bonds.

Front

Which river significantly contributes to the dead zone in the Gulf of Mexico?

Back

Mississippi River.

Front

What is a controlled variable?

Back

A variable that is kept constant during an experiment to ensure that the results are valid.

Front

What is a dependent variable?

Back

The condition in an experiment that is measured or observed, which is affected by the independent variable.

Front

What is the purpose of environmental taxes?

Back

To discourage harmful environmental practices by imposing financial penalties on companies.

Front

What is the significance of the Mississippi River in environmental studies?

Back

It is a major contributor to nutrient runoff that leads to dead zones in the Gulf of Mexico.

Front

What is the difference between a molecule and an ion?

Back

A molecule is a neutral group of atoms bonded together, while an ion is an atom or molecule that has gained or lost one or more electrons, resulting in a charge.