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Nature of Science

Nature of Science -Scientific Method, Lab Tools & Branches of Science

Branch of science that deals with all of the non-living features of the Earth, space, solar system and weather Earth
Branch of science that deals with matter, energy and motion. Physical
Branch of science that deals with all of living things and their interactions. Life
What are the steps of the scientific method? 1.)State the problem 2.)Gather information 3.)State hypothesis 4.)Experiment/Test hypothesis 5.)Record and Analyze data 6.)State conclusion 7.)Repeat
How many variables should be tested in an experiment? 1
Scientist must be impartial and not base their conclusions on opionions
To ____ means to draw a conclusion based on something you observe. infer
To evaluate the observations you make, you must use___ critical thinking
Scientific ___ must be supported by observations and results from many investigations and are not absolute. Attempt to explain an event in nature. theories
A variable in an experiment that stays the same is a ____ constant
The factor being measured in an experiment is the ____ variable
A prediction about a problem that can be tested is a ___. Proposed solution to a scientific problem. hypothesis
Experiments and investigations must be___. repeatable
Heat source, open flame bunsen burner
Used to measure volume beaker
Used to measure volume accurately graduated cylinder
Used to measure mass triple-beam balance
Used to add or remove small amounts of liquid eye dropper (pipette)
Used to measure degree of heat or cold thermometer
Holds the high and low power objective lenses; can rotate to change magnification nosepiece
Low and high power lenses that magnify the object objective lens
Regulates the amount of light let into the body tube diaphragm
Supports the microscope base
Holds the slide in place stage clip
Light source, reflects light mirror
Contains the magnifying lens you look through eyepiece
Supports the body tube arm
Maintains the proper distance between the eyepiece and objective lens body tube
Moves the body tube up and down for focussing coarse adjustment knob
Moves the body tube slightly to sharpen the image fine adjustment knob
Supports the slide being viewed stage
The part of the experiment that is changed by the scientist doing the experiment independent variable
The part of the experiment that is affected by the independent variable dependent variable
On which axis of a graph do you place the independent variable x-axis
On which axis of a graph do you place the dependent variable y-axis
A part of the experiment that is not being tested and is used for comparison control
What are the 5 major parts all graphs must have? 1.) title 2.) independent variable 3.) dependent variable 4.) the scales for each variable 5.) a legend
A rule that describes a pattern in nature but does not try to explain why something happens. scientific law
Any representation of an object or an event that is used as a tool for understanding the natural world; can communicate observations and ideas, test predictions, and save time, money and lives. model
Collection of structures, cycles and processes that relate to and interact with each other system
Use of science to help people in some way technology
Way of learning more about the natural world that provides possible explanations to questions and involves using a collection of skills. science
Created by: lbertagnolli