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