http://sites.science.oregonstate.edu/portfolioswiki/ 2020-01-27T00:44:41-08:00 http://sites.science.oregonstate.edu/portfolioswiki/ http://sites.science.oregonstate.edu/portfolioswiki/lib/images/favicon.ico text/html 2012-08-23T22:24:06-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:index?rev=1345785846 text/html 2016-08-02T13:57:04-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:spswlflaw?rev=1470171424 The Prompt ``Write down the Lorentz force law.'' Context This SWBQ is a useful activity for helping students recall what the force is experienced by a charged particle subject to an electric and magnetic field, or $$\vec{F}=q\left(\vec{E}+\vec{v} \times \vec{B}\right) \; \; .$$ text/html 2014-09-30T13:38:42-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:syswtemperaturerepresentations?rev=1412109522 Prompt “Imagine the temperature varies on the surface of your whiteboard, how would you represent that data?” Context This SWBQ ... Wrap Up [Powerpoint slide] [PDF slide] text/html 2012-08-22T22:14:53-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:title?rev=1345698893 Electricity & Magnetism SWBQs text/html 2013-08-20T16:59:12-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswamperianloop?rev=1377043152 Prompt “Draw an Amperian loop that you would use to calculate the magnetic field of a sheet of current. ” Context This SWBQ can be done as a part of the lecture that is the introduction to the Ampere's Law Activity. It is a way to prime students for thinking about what symmetry arguments are needed. text/html 2013-07-26T10:47:14-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswampslaw?rev=1374860834 The Prompt “Write down what Ampere's Law says and draw a picture to go with it.” Context This SWBQ can be used to open up discussion on how to connect the mathematical meaning with the physical meaning of Ampere's law. Wrap Up [Powerpoint prompt] [PDF prompt] text/html 2013-07-25T11:51:27-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswchargedensity?rev=1374778287 The Prompt “Write the charge density that is defined by”: $$ \rho = \begin{cases} 0, & \text{if z > L} \\ 12, & \text{if -L < z < L}\\ 0, & \text{if z < -L} \end{cases} $$ Context This SWBQ opens up conversation on how to mathematically represent a charge density defined by a piecewise function. text/html 2014-09-15T13:02:01-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswenergy?rev=1410811321 Prompt “Write down something you know about energy.” Context This SWBQ can be used to prompt students to think about energy in a more general sense, beyond introductory level physics. Likely students will respond with particular equations such as $PE=mgh$ or $KE=\frac{1}{2}mv^2$ which are prevalent in lower-division courses. This question can be used to discuss various definitions, equations, and laws involving energy. text/html 2013-07-25T11:54:00-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswequipotentialsurfaces?rev=1374778440 The Prompt “Draw the equipotential surfaces for this vector field.” [Powerpoint slide] [PDF slide] “Draw the equipotential surfaces for this vector field.” [Powerpoint slide] [PDF slide] Context This SWBQ Wrap Up text/html 2012-08-23T22:20:22-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswgauss?rev=1345785622 Prompt “Write down Gauss' Law.” Context This SWBQ can be done as an introduction to the Gauss' Law lecture. It is an opportunity for the instructor to find out what the students already know about Gauss' so as to focus the succeeding lecture/discussion appropriately. text/html 2013-07-25T11:51:04-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswgriff?rev=1374778264 The Prompt “Similar to the chart in Griffiths', draw a diagram relating charge density, electric potential, and electric field.” Context This SWBQ Wrap Up [Powerpoint slide] [PDF slide] text/html 2013-07-26T09:30:25-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswlincharge?rev=1374856225 The Prompt “Write the dimensions of linear charge density.” Context This SWBQ Wrap Up [Powerpoint slide] [PDF slide] text/html 2012-08-24T14:20:53-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswmagpot?rev=1345843253 Prompt “Write down the formula for the magnetic vector potential.” Context This SWBQ ... Wrap Up [Powerpoint prompt] [PDF prompt] text/html 2015-08-05T15:00:53-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswpointpot?rev=1438812053 Prompt “Write down what the potential is due to a point charge.” Context This SWBQ can be used as a transition between the Star Trek Activity, where students are learning about how to describe (algebraically) the geometric distance between two points, and the Two Charges Activity, where students are using these results and the superposition principle to find the electrostatic potential due to two point charges. text/html 2013-07-26T09:52:33-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswpotincharge?rev=1374857553 The Prompt “Write down what the formula is for the electric potential in terms of charge density.” Context This SWBQ Wrap Up [Powerpoint slide] [PDF slide] text/html 2013-07-26T09:55:30-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswstokes?rev=1374857730 Prompt “Use Stoke's theorem, $$ \int_{inside} \left( \vec{\nabla} \times \vec{F} \right) \cdot d\vec{\sigma}=\int_{loop} \vec{F} \cdot d\vec{r}$$ to derive the differential form of Ampere's Law” $$\int{\vec{B}\cdot{\vec{dr}}}=\mu_{0}I_{encl}$$ text/html 2016-07-18T14:40:33-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswtemperaturerepresentations?rev=1468878033 Prompt ``Imagine the temperature varies on the surface of your whiteboard, how would you represent that data?'' Context This SWBQ ... Wrap Up [Powerpoint slide] [PDF slide] text/html 2013-07-25T11:56:54-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswtotmass?rev=1374778614 The Prompt If the mass density is given by $$\lambda=\lambda_{0}[\theta(x)-\theta(x-2)]$$ write down the integral that allows you to find the total mass. Context This SWBQ Wrap Up [Powerpoint slide] [PDF slide] text/html 2014-09-15T13:15:21-08:00 http://sites.science.oregonstate.edu/portfolioswiki/swbq:emsw:vfswwork?rev=1410812121 Prompt “Write down something you know about work.” Context This SWBQ can be used to prompt students to think about the relationship between work and energy: Work is change in potential energy of a system. Students from introductory physics courses will likely recall work as $W=Fd$ or $W=Fd\cos{\theta}$ but can be prompted to consider what the work is if the force is changing to develop the concept of work being an integral, $W=\Delta U=\int{\vec{F}\cdot d\vec{r}}$.