# Shared Flashcard Set

## Details

Chapter 1 sections 1-3 by National Geographic
Flash cards EASY
58
Physics
08/31/2011

Term
 Science
Definition
 the process of observing, studying, and thinking about the world
Term
 Types of Science
Definition
 Life Science, Earth Science-including space, and Physical Science which includes matter and energy-matter=chemistry and energy= Physics
Term
 Steps in Scientific Method
Definition
 1st state the problem 2nd Gather information 3rd Form a hypothesis 4th Test your hypothesis 5th Analyze your data 6th form a conclusion
Term
 Hypothesis
Definition
 an educated guess based on knowledge and observation. must have if. . . . . . . . . then. . . . . .
Term
 Experiment
Definition
 a common way to test your hypothesis.
Term
 Variable
Definition
 dependent variable is a variable that changes value as other variables change. An independent variable is changed to determine how it will affect the dependent variable
Term
 Constant
Definition
 a variable that does not change when other variables change
Term
 Control
Definition
 the standard to which test results can be compared.
Term
 Bias
Definition
 keeping accurate records, using measurable data, and repeating the experiment.
Term
 Model
Definition
 represent ideas, events, or objects, and can be physical or computerized.
Term
 Theory
Definition
 an explanation based on many observations and investigations.
Term
 Scientific Law
Definition
 a statement about something that always seems to be true.
Term
 Technology
Definition
 applied science that helps people
Term
 Standard
Definition
 exact quantity that people agree to use for comparison
Term
 International System of Units
Definition
 improved version of the metric system used and understood by scientists worldwide. Also known as SI
Term
 Length
Definition
 Measured using a unit appropriate for the distance between two points.
Term
 Volume
Definition
 the amount of space a object occupies
Term
 Mass
Definition
 Measure of matter in an object
Term
 Density
Definition
 mass per unit volume of a material
Term
 Derived Unit
Definition
 a unit obtained by combining different SI units
Term
 Time
Definition
 the interval between two events
Term
 Celsius
Definition
 0* freezing point of water 100* boiling point of water
Term
 Kelvin
Definition
 273* freezing point of water 373* is the boiling point
Term
 Fahrenheit
Definition
 32* freezing point of water 212* boiling point of water
Term
 Absolute zero
Definition
 -273* which is the point of no motion
Term
 Graph
Definition
 a visual display of information or data that is used to detect patterns
Term
 Line Graph
Definition
 graph that shows a relationship where the dependent variable changes due to a change in the independent variable
Term
 Bar Graph
Definition
 graph that compares information collected by counting
Term
 Circle Graph
Definition
 shows the different parts of a whole quantity. The circle represents the total. The slices represent the parts and usually are represented as percentages of the total. used to graph money
Term
 Yo-ser, place/description
Definition
 soy
Term
 tu -ser, place/description
Definition
 eres
Term
 usted-ser,place, description
Definition
 es
Term
 el-ser,place/description
Definition
 es
Term
 ella-ser,place/description
Definition
 es
Term
 nosotros-ser,place/description
Definition
 somos
Term
 ustedes-ser,place/description
Definition
 son
Term
 ellos-ser,place/description
Definition
 son
Term
 Yo-gustar,to like
Definition
 A mi me gusta
Term
 tu-gustar, to like
Definition
 A ti te gusta
Term
 usted-gustar,to like
Definition
 a usted le gusta
Term
 nosotros- gustar, to like
Definition
 a nosotros nos gusta
Term
 ustedes- gustar, to like
Definition
 a ustedes les gusta
Term
 yo-tener, to have/to have to
Definition
 tengo
Term
 tu-tener, to have/ to have to
Definition
 tienes
Term
 usted- tener, to have, to have to
Definition
 tiene
Term
 ustedes- tener, to have, to have to
Definition
 tienen
Term
 nosotros-tener, to have, to have to
Definition
 tenemos
Term
 yo- estar,location/feelings
Definition
 estoy
Term
 tu-estar,location/feelings
Definition
 estas
Term
 usted-estar,locaciĆ³n/feelings
Definition
 esta
Term
 nosotros-estar, location/feelings
Definition
 estamos
Term
 ustedes-estar,location/feelings
Definition
 estan
Term
 yo-ir,to go
Definition
 voy
Term
 tu-ir, to go
Definition
 vas
Term
 usted-ir, to go
Definition
 va
Term
 nosotros- ir, to go
Definition
 vamos
Term
 ustedes-ir,to go
Definition
 van
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