Science is an ongoing _________ of gaining knowledge and understanding
process
the information with which science works
data
data is collected by ___________ and ____________ and then analyzed or interpreted
observation
experimentation
data is collected by observation and experimentation and the __________ or __________
analyzed
interpreted
True or False: No absolute certainty or complete universal agreement exists about anything in science
True
Science provides ___________ and __________ for decision-making
information
guidance
List the steps of the Scientific Method.
- Recognize a question or unexplained occurrence in the natural world
- Develop a hypothesis, or educated guess, to explain the problem
- Design and perform an experiment to test the hypothesis
- Analyze and interpret the data to reach a conclusion
- Share new knowledge
the way a scientist approaches a problem by formulating a hypothesis and then testing it by means of an experiment
scientific method
________=uncertainty—->less uncertainty
science
each factor that influences a process is a ________
variable
To test a hypothesis about a variable, two forms of experiments are done in parallel:
1.
2.
- Experimental Group
2. Control Group
What’s the difference between an experimental group and a control group?
Experimental Group, we alter the chosen variable in a known way
Control Group, we don’t alter that variable
Theories explain __________ ____
scientific laws
is an integrated explanation of numerous hypothesis, each supported by a large body of observations and experiments and evaluated by the peer review process
theory
theory predicts new _____ and suggests new ____________ among a range of natural ____________
data
relationships
phenomena
What are the 5 stages on environmental problem?
- scientific assessment
- risk analysis
- public education and involvement
- political action
- long-term evaluation
Scientific Assessment is the gathering of ___________
information
During Scientific Assessment the problem is ________
defined
