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Fraser Study Guide

Fraser - 1

QuestionAnswer
The science of physics is concerned with: how matter and energy behave
An oscillation that travels is called: wave
The movement of ____ is the source of "electricity" Electrons
Energy is ______ by a light bulb transformed into heat and light
All types of energy are measured in units of: joules
What is the frequency of a second hand traveling around a clock face? 0.0167 Hz
Which object is an equilibrium? A rock on the ground
What has the highest frequency? Light
What is not an example of an oscillator? A battery
What is an example of a wave? Sound
What is the difference between green and red light? Energy, color, and frequency.
What does it mean for scientific evidence to objective? The evidence describes only what actually happened as exactly as possible.
Natural laws are: rules that explain how all things in the entire universe always behave.
In order for evidence to be considered scientific evidence, it must be: objective and repeatable.
What does it mean for scientific evidence to be "objective"? The evidence describes only what actually happened as exactly as possible
Once a scientific theory has been accepted: it continues to be tested against new evidence
After testing, you find that your hypothesis is not true. What does this mean? The results may be useful, but further testing and redesign of the experiment may be needed.
A student designs an experiment and gets favorable results after one trial. The student should: repeat the experiment several times to verify the results
To be correct, a scientific theory must be everything EXCEPT: considered to be unchangeable even if new scientific evidence disproves it
All of these are very important parts of learning through inquiry EXCEPT: always getting the right answer immediately
What is used to tell you precisely how the variables in a system are related to each other? Model
Which of the following is NOT example of a model? Hypothesis
All of the following are units used to express distance in the metric system EXCEPT: ammeter
The conversion factor for changing one unit of length to another is the metric system is a multiple of: 10
The conversion factor for changing one unit of length to another in the English system may be: 3, 12, 5,280
The unit of time most often used by physicist is the: second
An electronic clock gives the elapsed time as 7:34:21. How many seconds does this represent? 27,261
The most appropriate unit of time for measuring the period from last Friday to next Wednesday is the : day.
The kilogram, the unit used as the standard for mass, was originally defined as the mass of: 1,000 cubic centimeters of water
The measure of mass when it is thought of as a resistance to change in motion is called: inertia
The smallest amount of an element that can exist by itself is an: atom
Which best describes a plasma? Atoms have broken apart and electrons are free to move independently
Which is a good example of a gas at normal room temperature? Oxygen
The smallest measurable length of a centimeter stick is 0.001 cm. Which of the following best describes this limit? Precision
When constructing a graph, it is not a good idea to: connect data points dot-to-dot
Compared to a 1.0-kilogram chunk of iron, a 1.0-kilogram piece of Styrofoam: takes up more space
If there is a weak relationship between two variables, the slope for a graph of the relationship is: close to zero
The total length of a journey from start to finish with no regard to direction is called: distance
The term that refers to the location of an object is: position.
The term that describes the amount of change in a certain direction in the location of an object is: displacement
Which of the following is a unit of speed? mph
Velocity is: speed and direction
Motion in a straight line can be best described as: one dimensional.
A measure of how quickly an object gets from one place to another is: speed
"Per" means: division
Distance may be expressed as a: product of time and speed
Speed may be expressed as a: ratio of distance and time.
The slope of a distance versus time graph represents: speed
The slope of a graph line is determined by calculating the: change in the vertical values divided by the change in horizontal values
If the dependent values on a graph increase rapidly while the values of the independent variable increase slightly: the slope of the graph is large
The equation: " v = v0 + at " relates which three variables? Speed, acceleration, and time.
The term "at" , in the equation : v = v0 + at , represents: the amount the object's speed has changed
If the speed is constant, which variable is zero in the equation: x = x0 + v0t + 1/2at(2)? a
An object falls for 2 seconds after being dropped from rest. It's speed is approximately: 19.6 meters per second
Free falls means: no forces act on the object except gravity
The science of forces and motion is called: Mechanics
Energy of motion is called ____ motion. Kinetic
Stored energy is called ______ energy. Potential
The rules that describe the universe operates are known as: (two words) Natural Laws
The examination of something in a careful way and recording important details is an: observation
The method of learning by asking questions and making observations is called: (two words) scientific inquiry
The metric system is easier to use because basic units are related to larger and smaller units by a factor of: ten
A quantity proportional to the amount of inertia an object has is: mass
The dependent variable is generally plotted on the ___ axis of the graph. y
A model that may use a picture to represent a relationship between two variables is called a __________ model. graphical
If a small change in one variable causes a large change in another, the relationship between the two variables is said to be ____. strong
The relationship between two variable whose product is equal to a constant is an ______ relationship. inverse
______ coordinates are required to identify a point in space. Three
If an object is at rest, it has a speed of _____. Zero
Speed that stays the same is called _______ speed. constant
The slope of a graph line is the ratio of the _____ to the ______ of the line. Rise, Run
Acceleration is the ______ of the speed versus _____ graph. slope, time
The distance traveled can be calculated using the _____ of the speed versus time graph. area
The acceleration of gravity near Earth's surface is : 9.8 m/s(2)
An object that feels no forces except the force of gravity is said to be in: free fall
Units of electric current amps
The fundamental unit of energy joule
Units of electrical potential energy volts
An oscillation that travels wave
Others who repeat the same experiment observe the same results repeatable
A situation set up specifically to observe how something occurs experiment
The tentative answer to a question that may be tested by comparison with observations hypothesis
Evidence describes what actually happens without opinions or interpretations objective
The process of thinking about observations to deduce their meaning analysis
Descriptive evidence quantitative
Parameters that describe a system variables
A connected group of objects and interactions that is chosen for investigation system
Metric, or SI, units of length kilometers, meters, centimeters
Used to establish the metric standard of length, the meter Metric system (SI)
Length between two points distance
Measuring system used by the scientific community Metric system (SI)
English units of length miles, yards, inches
Used to represent small or large numbers scientific notation
Smallest amount of an element that can exist alone atom
Used to describe how much matter an object contains mass
The standard for measuring mass kilogram
Fundamental quality time
Collection of techniques used in an experiment procedure
Derived quantity surface area
Mathematical model graph
The variable that is changed in an experiment experimental variable
Speed x time = distance
Refers to an object's location at one moment in time position
Units of measuring speed meters per second, miles per hour
A fixed reference point origin
Slope of the position vs. time graph speed
Area of the speed vs. time graph distance
Total distance traveled divided by total time taken average speed
Speed at a particular moment instantaneous speed
Equal to 9.8 m/s(2) at the Earth's surface acceleration of gravity
Equal to the slope on the speed versus time graph acceleration
Is equivalent to area on the speed versus time graph distance traveled
A state of motion when acceleration is zero constant speed
The speed an object has at time , t = 0 initial speed
What are three differences between green and blue light? Different energy, frequency, and wave lengths.
What is the best way of solving a complex question? break down
Created by: AdrienneNicole