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Science Chpt 1
Vocabulary
| Question | Answer |
|---|---|
| science | the knowledge gained by observing the natural world |
| scientific method | a series of steps followed to solve problems 1. ask a question 2.make observationa 3.do researrch 4. form hypothesis 5.desighn experiment 6.analyze data 7.draw conclusions 8.communicate resultss |
| observation | the process of obtaining imformation using the senses |
| hypothesis | an explanation that is based on prior scientific research or observations that can be tested |
| data | any piece of information acquired through experiment |
| model | a pattern, plan, reperesentation, or description design to show the structure or working of an object, system, or concept |
| theory | an eplanation that ties together many hypotheses and observations |
| law | a summary of many experimental results and observations, tells how thiings work |
| technology | the product and processes that are designed to serve our needs |
| engineering | the process of creating technolodgy |
| engineering design process | the process enginners use to develope a new technology 1.identify a need 2.imagine possible solution 3.make a prototype 4.test and evaluate 5.improve the solution |
| prototype | a test model of an object |
| cost-benifit analysis | the process of determing whether the cost of doing something is offordable |
| bioengineering | the application of engineering to living things such as humans and plants |
| assistive bioengineering | engineering that results in a product or process that helps an organism but does not change them |
| adaptive bioengineering | engineering that results in a product or process that changes a living thing |
| meter | the basic unit of length in the SI |
| area | a measure of the size of a surface or a region |
| mass | a measure of the amount of matter in an object |
| volume | a measure of the size of a body or region in three-deminsional space |
| temperature | a measure of how hot(or cold) an object is |