Environmental Science Chapter 1
Terms
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- What is an independent variable?
- An independent variable is the part of the experiment that is manipulated to produce an expected outcome.
- What is the dependent variable?
- The dependent variable is the result of the change in the experiment.
- What is the control?
- The control is the part of the experiment where the outcome is known in advance.
- What is environmental science?
- Environmental science is an applied science that combines many different sciences to solve environmental problems.
- What is ecology?
- Ecology is the study of how living things are related to each other - how they interact and how they depend on each other.
- What is pure science?
- Pure science seeks to answer questions about how the natural world works.
- What is applied science?
- Applied science uses the information provided by pure science to solve problems.
- What is population crisis?
- Population crisis is when the number of people is growing too quickly for the earth to support.
- What is consumption crisis?
- Consumption crisis is when people are using up, wasting, or polluting natural resources faster than they can be renewed, replaced, or recycled.
- What is the observation of an experiment?
- The observation asks the question that you want to find the answer to.
- What is the hypothesis of an experiment?
- The hypothesis is the educated guess or prediction. It must always be in an "if/then" format.
- What is the experiment?
- The experiment is the test of the hypothesis to determine if it is true or false.
- What are the values that affect environmental decision making?
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They are -
* aesthetic - what is beautiful or pleasing
* economic - gain or loss of money or jobs
* environmental - protection of natural resources
* educational - accumulation and use of knowledge
* ethical/moral - what is right or wrong
* health - maintenance of human health and prevention of sickness or disability
* recreational - providing for human leisure activities
* scientific - knowledge gained by scientific research
* social/cultural - maintaining human communities and respecting their values and traditions - What does a pie chart do?
- A pie chart depicts percentages and the number of different things.
- What does a bar graph do?
- A bar graph compares two or more things.
- What does a line graph do?
- A line graph represents the change over time or when there is an independent or dependent variable.
- What are the rules for constructing graphs?
- The rules for constructing graphs are 3 from the bottom, 3 from the sides, and 4 from the top. There must be a title and labels.
- What is the decision-making process?
- The decision-making process is to gather information, consider the values, explore the consequences, and then make a decision.
- What is the scientific method?
- The scientific method is observing, hypothesizing and predicting, experimenting, organizing and interpreting data, using graphics and sharing information, and communicating results.