August 20

Question 0

Prediction

Answer 0

a thing predicted; a forecast.

Question 1

Observation

Answer 1

a remark, statement, or comment based on something one has seen, heard, or noticed.

Question 2

Hypothesis

Answer 2

a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Question 3

Experiment

Answer 3

a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Question 4

Peer Review

Answer 4

evaluation of scientific, academic, or professional work by others working in the same field.

Question 5

Independent Variable

Answer 5

a variable whose variation does not depend on that of another.

Question 6

Dependent Variable

Answer 6

a variable whose value depends on that of another.

Question 7

Experimental Group

Answer 7

Experiments is the step in the scientific method that arbitrates between competing models or hypotheses. Experimentation is also used to test existing theories or new hypotheses in order to support them or disprove them.

Question 8

Control Group

Answer 8

When an experiment is conducted for the purpose of determining the effect of a single variable of interest on a particular system, a scientific control is used to minimize the unintended influence of other variables on the same system.

Question 9

Indicator

Answer 9

a thing, esp. a trend or fact, that indicates the state or level of something.

Question 10

Sustainability

Answer 10

the ability to be sustained, supported, upheld, or confirmed.

Question 11

Land degradation

Answer 11

the value of the biophysical environment is affected by one or more combination of human-induced processes acting upon the land.

Question 12

Trade off

Answer 12

a balance achieved between two desirable but incompatible features; a compromise.

Question 13

Correlation

Answer 13

mutual relationship or connection between two or more things.

Question 14

Causal relationship

Answer 14

Causality is the relationship between an event (the cause) and a second event (the effect), where the second event is a consequence of the first.

Question 15

Evidence

Answer 15

the available body of facts or information indicating whether a belief or proposition is true or valid.

Question 16

Eutrophication

Answer 16

excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.