written by
Peter Bohacek
published by
the Science Education Resource Center
This teaching method description outlines the use of videos for active learning in introductory physics classes. Direct Measurement Videos show events that students can analyze using physics concepts. Grids, rulers, frame-counters and other overlays allow students to make measurements from the video. Students use these measurements to answer questions and solve problems. These questions can be used with inquiry-based learning or modeling instruction.
This material includes best practices for using these videos, a library of videos, and example class activities.
This material is part of Pedagogy in Action, a library of resources for educators provided by SERC, the Science Education Resource Center.
Please note that this resource requires
Quicktime.
9-12: 4F/H1. The change in motion (direction or speed) of an object is proportional to the applied force and inversely proportional to the mass.
9-12: 4F/H2. All motion is relative to whatever frame of reference is chosen, for there is no motionless frame from which to judge all motion.
9-12: 4F/H4. Whenever one thing exerts a force on another, an equal amount of force is exerted back on it.
9-12: 4F/H7. In most familiar situations, frictional forces complicate the description of motion, although the basic principles still apply.
9-12: 4F/H8. Any object maintains a constant speed and direction of motion unless an unbalanced outside force acts on it.
9. The Mathematical World
9B. Symbolic Relationships
9-12: 9B/H1b. Sometimes the rate of change of something depends on how much there is of something else (as the rate of change of speed is proportional to the amount of force acting).
11. Common Themes
11B. Models
6-8: 11B/M1. Models are often used to think about processes that happen too slowly, too quickly, or on too small a scale to observe directly. They are also used for processes that are too vast, too complex, or too dangerous to study.
12. Habits of Mind
12B. Computation and Estimation
9-12: 12B/H2. Find answers to real-world problems by substituting numerical values in simple algebraic formulas and check the answer by reviewing the steps of the calculation and by judging whether the answer is reasonable.
9-12: 12B/H9. Consider the possible effects of measurement errors on calculations.
Common Core State Standards for Mathematics Alignments
Standards for Mathematical Practice (K-12)
MP.4 Model with mathematics.
MP.6 Attend to precision.
High School — Algebra (9-12)
Seeing Structure in Expressions (9-12)
A-SSE.1.b Interpret complicated expressions by viewing one or more of their parts as a single entity.
Creating Equations? (9-12)
A-CED.4 Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
Reasoning with Equations and Inequalities (9-12)
A-REI.3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.
High School — Functions (9-12)
Interpreting Functions (9-12)
F-IF.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph.
Linear, Quadratic, and Exponential Models? (9-12)
F-LE.1.b Recognize situations in which one quantity changes at a constant rate per unit interval relative to another.
F-LE.1.c Recognize situations in which a quantity grows or decays by a constant percent rate per unit interval relative to another.
F-LE.5 Interpret the parameters in a linear or exponential function in terms of a context.
<a href="http://www.compadre.org/introphys/items/detail.cfm?ID=12612">Bohacek, Peter. Using Direct Measurement Video to Teach Physics. Northfield: Science Education Resource Center, February 9, 2013.</a>
P. Bohacek, Using Direct Measurement Video to Teach Physics (Science Education Resource Center, Northfield, 2013), WWW Document, (https://serc.carleton.edu/sp/library/direct_measurement_video/index.html).
P. Bohacek, Using Direct Measurement Video to Teach Physics (Science Education Resource Center, Northfield, 2013), <https://serc.carleton.edu/sp/library/direct_measurement_video/index.html>.
Bohacek, P. (2013, February 9). Using Direct Measurement Video to Teach Physics. Retrieved May 21, 2013, from Science Education Resource Center: https://serc.carleton.edu/sp/library/direct_measurement_video/index.html
Bohacek, Peter. Using Direct Measurement Video to Teach Physics. Northfield: Science Education Resource Center, February 9, 2013. https://serc.carleton.edu/sp/library/direct_measurement_video/index.html (accessed 21 May 2013).
Bohacek, Peter. Using Direct Measurement Video to Teach Physics. Northfield: Science Education Resource Center, 2013. 9 Feb. 2013. 21 May 2013 <https://serc.carleton.edu/sp/library/direct_measurement_video/index.html>.
%A Peter Bohacek %T Using Direct Measurement Video to Teach Physics %D February 9, 2013 %I Science Education Resource Center %C Northfield %U https://serc.carleton.edu/sp/library/direct_measurement_video/index.html %O text/html
%0 Electronic Source %A Bohacek, Peter %D February 9, 2013 %T Using Direct Measurement Video to Teach Physics %I Science Education Resource Center %V 2013 %N 21 May 2013 %8 February 9, 2013 %9 text/html %U https://serc.carleton.edu/sp/library/direct_measurement_video/index.html
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