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introduction to science and the scientific method

Terms in this set (24)

What is the goal of science?
It investigate and understand the natural world, to explain events in the natural world and to use those explanations to make useful predictions.
Scientist
collect and organize information in a careful orderly way looking for patterns and connections between events
scientists purpose _____ that can be ____ by examining evidence
explantions and tested
science begins with a ____
observation (the processs of gathering information about events or process in a careful and orderly way.
____ is the information gathered from making observations
data
quantitative data are;
numbers and are obtaining by countin or measuring
qualitative data are;
descriptions and involve charcteristcs that can be counted
a hypothesis is a ___
scientific explantion for a set of observation
the scientfic method is;
a seris of steps used by scientist to solve a problem or answer a questions
the steps to the scientific method
steps used by scientist to solve a problem
a ____ is when you are predicting something and must be tested.
hypothesis
be stated in a way that is ____ or if evidence can be collecit must ted that either does or does not support it
This must be stated in a way that makes it "testable".
the factors in an experiment that can be changed
varibles
in a ___ only one varible is changed at a time
controlled experiment
an experiment is based on the compasion between a ___ with an _____
control group and experimental group
control group
serves as the comparison (wil not actually recieve the vaccine)
experimental group
Shows the effect of the variable being tested (this group will recieve the vaccine)
what varibles are kept constant
the size shape color and texture of the pill
what varible is being changed
weather or not the pill contains the vaccine
What is a independent variable
the one is deliberately changed by the scientist
What is the dependent variable
observed during the experiment (It is the data that is collected during the experiment)
theory
a broad and comprehensive statement of what is thought to be true
the evidence from the experiment is used to determine if thr hypothesis ___
proven or disproven
What are the steps of the scientific method?
1. Observation
2. Hypothesis
3. Design a control experiment
4. Record and and analyze results
5. Draw a conclusion.
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