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Nature of Science
Nature of Science -Scientific Method, Lab Tools & Branches of Science
| Question | Answer |
|---|---|
| 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
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