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Physical science

QuestionAnswer
What is an exact quantity that people agree to use to compare measurements? Standard
What is the amount of space occupied by an object? Volume
What is the amount of matter in an object? Mass
What is a variable that changes as another variable changes Dependent
What is a visual display of data? Graph
What is a variable that does not change as another variable changes Constant
What is mass per unit volume? Density
What is an educated guess using what you know and observe Hypothesis
What is the SIN symbol for mass? Kilogram
What is the SI unit for time? Seconds
What is the SI unit for temperature? Kelvin
What is the SI unit for weight? Newtons
What is the SI unit for length? Meter
What are the metric prefixes in symbols for kilo,centi, mili Kilo(k). Centi(c). Mili(m)
List three types of graphs Bar graph circle graph and line graph
Where is the independent variable found and the dependent variable Independent variable, Xaxis and dependent variable Y axis
The SI system is based on powers of what 10
During linear motion if velocity is constant, acceleration is what Zero
What is the difference between speed and velocity distance and displacement? Speed is scalar, measurement, and velocity and vector measurement. It is concerned with magnitude and direction.
Explain the difference between average speed and instant instantaneous speed Average speed is total distance overtime and instantaneous speed. Is the speed at a particular point in time.
What is the formula for speed? Speed equals distance overtime
What is the formula for acceleration? A equals VF minus VI over T
What is the formula for momentum P equals MV
When can speed be constant and not equal to zero Moving around in a circle at a constant speed
What opposes the sliding motion of two services that are in contact Friction
When an object moves in a circular path, the net force is called what Centripetal force
What term describes the tendency of an object to resist to change motion Inertia
What is the maximum speed of an object will reach when falling through the air Terminal velocity
If gravity is the only force acting on an object, the object is said to be called in what freefall
Created by: paigeesmoak1
 

 



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