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Scientific Processes

Mr. Buckwalter's scientific processes vocab words

TermDefinition
Curiosity One of the two C's of being a scientist.
Creativity One of the two C's of being a scientist.
Qualitative Observations that focus on descriptions and using the 5 senses.
Quantitative Observations that focus on measurements and numbers.
Metric System A system of weights and measures.
Meter The base unit used for measuring length in the metric system.
Liter The base unit used for measuring volume in the metric system.
Gram The base unit used for measuring weight/mass in the metric system.
Triple-Beam-Balance A tool used to determine the weight/mass of one or more objects.
Graduated Cylinder A tool used to determine the volume of a liquid.
Meniscus the curved upper surface of a column of liquid.
System a group of objects or units so connected as to form a whole and work, interact, or move interdependently and harmoniously
Input The entrance or changes that go into a system
Output An exit or changes that leave a system
Processes Interactions that you can see in a system.
3 Benefits of Systems 1. Helps us understand/process the world around us 2. Makes complicated things more simple 3. Helps us solve and identify problems
Physical Model these models are smaller and simpler representations of the thing being studied.
Conceptual Model These models tie together many ideas to explain a phenomenon or event.
Mathematical Model these models are sets of equations that take into account many factors to represent a phenomenon. They are usually done on computers.
3 Benefits of Models 1. Lets us see what something large or small looks like in smaller form 2.Helps us predict the future 3.Helps us visualize a complex idea
Scientific Method a process for experimentation that is used to explore observations and answer questions.
Step #1 of the scientific method Ask a question
Step #2 of the scientific method Do background research
Step #3 of the scientific method Construct a hypothesis
Step #4 of the scientific method Test with an experiment
Step #5 of the scientific method Analyze data and draw conclusions
Step #6 of the scientific method Communicate results
Hypothesis a possible answer or tentative solution for a question.
3 Requirements for a hypothesis 1. Must be based on observations and logical reasoning 2. Must explain a natural phenomenon 3. Must be testable through scientific investigation
Variables things that vary or change
Independent Variable the variable that you change
Dependent Variable the variable that you measure
Control Variable the variable that stays the same
Accuracy how close the measurement is to the correct value
Precision how close the measurement is to the other measurements
Created by: aaron_buckwalter