1.Click or tap here to enter text. is the development that meets the needs of the present without compromising the ability of future generations to meet their own needs. 2.Click or tap here to enter text. are beneficial effects of functioning ecosystems for people and society.

3.Click or tap here to enter text. is the worldwide exchange of ideas, goods, and cultural views.

4.Click or tap here to enter text. is a group of interacting species along with their physical environment.

5.Click or tap here to enter text. is everything that affects an organism during its lifetime.

6.Click or tap here to enter text. is an interdisciplinary area of study that includes both applied and theoretical aspects of human impact on the world.

7.Click or tap here to enter text. is a measure of the number of hydrogen ions present in a solution. This determines if a solution is an acid or a base.

8.Click or tap here to enter text. is the ability to detect events by the senses or machines that extend the senses.

9.Click or tap here to enter text. resources that are not replaced by natural processes, or those whose rate of replacement is so slow as to be non-effective.

10.Click or tap here to enter text. are those structures and processes that can be used by humans for their own purpose but cannot be created by them.

11.Click or tap here to enter text. is an artificial situation designed to test the validity of a hypothesis.

12.Click or tap here to enter text. is a logical statement that explains an event or answers a question that can be tested.

13.Click or tap here to enter text. is an experiment in which two groups are compared where one, the controlled, is used as a basis of comparison and the other has one factor different from the control.

14.Click or tap here to enter text. is a widely accepted, plausible generalization about fundamental comcepts in science that explains why things happen.

15.Click or tap here to enter text. a law that states that matter is not gained or lost during a chemical reaction.

16.Click or tap here to enter text. are variables in an experiment that the experimenter manipulates.

17.Click or tap here to enter text. are the variables in an experiment that is affected by the changes in the independent variable.

18.Click or tap here to enter text. is a way of gaining information about the world by forming possible solutions to questions, followed by rigorous testing to determine if the proposed solutions are valid.

19.Click or tap here to enter text. is a uniform or constant fact of nature that describes what happens in nature.

20.Click or tap here to enter text. are naturally occurring substances that can be utilized by people but may not be economic.

21.Click or tap here to enter text. those resources that can be formed or regenerated by natural processes.

22.Click or tap here to enter text. is the area of the Earth’s productive land and water required to supply the resources that an individual or population demands as well as to absorb the wastes the individual or population produces.

23.Click or tap here to enter text. is a statement about energy that says under normal physical conditions, energy is neither created or destroyed.

24.Click or tap here to enter text. is a statement about energy conversion that says whenever energy is converted from one form to another, some of the useful energy is lost.