SCIENCE 10 – PHYSICS UNIT REVIEW
Science 10 – Physics Unit Review
Exam Date: JANUARY 16TH, 2017
UNIFORM MOTION
← Define displacement (change in position, Δx), time interval (Δt), and velocity (vav)
← Explain the difference between displacement (change in position) and distance
← Explain what a time interval is and calculate it
← Explain what a change in position is and calculate it
← Explain what average velocity is and calculate it using vav = ∆d/∆t
← Describe the common units for velocity, time and displacement
← Take data and plot a position-time graph and draw a line of best fit
← Explain the difference between directional motion (vector) and magnitude (size/amount)
← Explain the difference between “Vector” and “Scalar” quantities and give examples of each
← Read and explain the information found on a position-time graph
(ie. positive, negative and zero slope and the motion and direction described)
← Explain the difference between speed and velocity
← Calculate average velocity by finding the slope of a position-time graph
← Calculate average velocity over multiple sections of a position-time graph
← Calculate average velocity over multiples sections in a word problem where the object is moving at two different velocities
← Solve for each variable when using the vav = ∆d/∆t
TERMS TO KNOW:
|Displacement |Positive slope |
|Distance |Negative slope |
|Position |Zero Slope |
|Position-time graph |X-axis |
|Scalar |Y-axis |
|Vector |Average velocity |
|Uniform Motion |Speed |
|Slope |Velocity |
|Time interval |Best-fit line |
| |Frame of reference |
| | |
(…see over for “accelerated motion”…)
ACCELERATED MOTION
← Explain what acceleration is in terms of changes in velocity [positive= speeding up, negative=slowing down, constant=zero]
← Give more than one real-life example of positive acceleration, negative acceleration, and constant acceleration
← Explain positive and negative motion using a frame of reference. (example: north is positive, south is negative)
← Determine ∆v (change in velocity) by using vf - vi
← Use the acceleration formula (a = ∆v/∆t) to determine acceleration for different data sets and given information
← Plot a velocity-time graph and explain the motion demonstrated by the graph
← Determine the slope (acceleration)
← Explain what the slope is telling us [positive = increasing constant acceleration, negative =decreasing constant acceleration, zero = constant speed]
TERMS TO KNOW:
|Acceleration |Average Acceleration |
|Change in Velocity |Constant Acceleration |
|Deceleration | |
|Constant Velocity |Velocity-time graph |
| |
| |
← If you have any questions, please see me in FLEX before the test day.
(GOOD LUCK!!
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