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28 Cards in this Set

  • Front
  • Back
The goal of science
To investigate & understand nature, to explain events in nature, and to use those explanations to make useful predictions.
Science is different from other human endeavors like art & history mainly because it relies on:
Testing explanations
Name 3 things that make science different from other human endeavors like art, and history.
1. Science deals only with natural world.
2. collect & organize info orderly, looking for patterns.
3. Scientists propose explanations that can be tested by esamining evidence.
In other words, science is an ________________ way of using _______________________ to learn about the ________________ world.
organize, evidence, natural
Science starts with _________________.
Observation involves using one or more of the __________, _______, ________, _______. ______ and sometimes ________,. to gather info.
senses, sight, hearing, touch, smell, & sometimes taste
Observations can be classified into ____ types, please name them:
2 types: quantitative & qualitative
What do quantitative observations involve?
numbers, counting or measuring.
What do qualitative observations involve?
characteristics that cannot be measure or counted, like color or texture.
Does an observation alone mean a lot in science? Why or why not?
No, because the goal is to understand WHAT was observed.
So what do scientists usually do to understand observations?
They follow observations with INFERENCES.
What is an INFERENCE?
A logical interpretation based on prior knowledge & experience.
What is an example of an inference?
Researchers might sample water from a reservoir at different areas and if all the samples are clean they INFER that all the water is safe to drink.
A possible explanation for a set of observations or an answer to a scientific quesiton.
Can a hypothesis be stated about any topic or idea in everyday settings?
Yes, but in science, a hypthesis is useful ONLY if it can be tested.
Science is the _____________ body of ________________ from previous _____________.
accumulated, knowledge, research.
The info gathered by observations is __________ or _______.
evidence or data.
Observation is meaningless without an __________________, or a logical ____________
inference, interpretation.
The test of a HYPOTHESIS may provide evidence that either, __________ it, _______ it, is _______ (unclear), or __ __________ ___ ____________.
supports it, rejects it,
is ambiguous (unclear), or all results are valuable.
Hypotheses may arise from prior __________, logical ________, or _____________ guesses.
knowledge, logical inferences, or imaginative guesses.
How is a hypothesis most often tested?
Through a controlled experiment.
How do scientists develop hyptheses?
they often work in teams, combining imagination & logic to develop and test hypotheses.
If a HYPOTHESIS is tested and is proven wrong, does it still have value in science? If so, why?
Yes, because it helps researchers advance scientific knowledge, regardless of the outcome of the HYPOTHESIS.
For scientists, science is an __________ process, not the discovery of an __________, absolute truth.
ongoing process,
Are scientific findings set in stone and unchangeable once they are discovered?
No, scientific findings are always subject to change as new evidence is developed.
Does science have limits?
Yes, it cannot give you opinions about stuff.
What are some ways that people use science every day?
Problem solving, like if a car does not start, question and test if it is out of gas, or perhaps the battery is dead,
Science is used for biology and what are some other issues that science deals with also?
Health and Disease
Genetic testing, Cloning
Stem cells, Global Warming, Environment, etc.`